The question before the court is whether the exception to the warrant requirement under the Fourth Amendment for a search of the passenger compartment of a car incident to a lawful custodial arrest under New York v. Belton, 453 U.S. 454, 460, 101 S.Ct. 2860, 69 L.Ed.2d 768 (1981), applies to a search incident to the possibility of an imminent arrest. We hold that it does not. To come within the exception, the warrant-less search cannot precede a custodial arrest; otherwise, neither of the Supreme *349Court’s two historical rationales for the exception would apply. See Knowles v. Iowa, 525 U.S. 113, 116-117, 119 S.Ct. 484, 142 L.Ed.2d 492 (1998). Consequently, although the police had probable cause to arrest Ronald Powell for a misdemeanor committed in their presence, because they instead searched a nearby car before informing Powell that he was under arrest or restraining his movement in a manner that would lead a reasonable person in his position to believe he was under arrest, the search was unlawful. Accordingly, because the police lacked probable cause to search the car, we reverse the judgment of conviction based on the fruits of the unlawful search.
I.
On March 2, 2004, at approximately 9:00 p.m., Metropolitan Police Department Officer Bray Jones was driving an unmarked police car with two other officers in Northeast, Washington, D.C.. The officers were in plain clothes, wearing tactical vests bearing the word “police.” Officer Jones testified that when they reached the 1700 block of West Virginia Avenue, they saw two men, one of whom was Ronald Powell, urinating a few feet from the rear of a parked car. The men were standing in a dark, deserted, industrial non-residential area, which was illuminated only by street lamps. Two officers approached the men from behind while they were still urinating. Upon turning toward the officers, one of the men said “[W]e were just going to a friend’s house .... [W]e had to go, man. We had to go, man.”
While this was occurring, Officer Jones approached the driver’s side of the car upon noticing a third man sitting in the front passenger seat. All of the car doors were closed; only the driver’s window was open. Officer Jones leaned inside the driver’s window, his torso entering the car, and shined a flashlight into the car. He saw two clear cups containing yellowish liquid in the cupholder of an armrest in the front seat and another in an armrest in the back seat. While leaning inside of the driver’s side of the car, Officer Jones smelled alcohol. Officer Jones moved to the passenger’s side of the car and had the passenger get out of the car. He then searched the interior of the car. On the back seat, he found a nearly empty bottle of cognac and a backpack. Upon opening the backpack, Officer Jones found an Intratech TEC-9 machine gun loaded with 23 rounds of ammunition in the magazine and one round in the chamber. He also found inside the backpack a credit card receipt bearing Powell’s name and the certificate of title for the vehicle.
Officer Jones then told the other officers to “hook him up,” signaling that the three men were to be handcuffed, which they were. Officer Jones called one of the officers to his location and showed him the backpack, which Jones had put on the trunk so that only the officer could see it. At that point, the three men started speaking spontaneously, although Officer Jones could not recall what they said. The men were arrested, according to Officer Jones, for the firearms violation as well as for urinating in public and possession of an open container of alcohol. The men were read them Miranda rights, and in response to questions by one of the officers, Powell said the car and gun were his and that he had the gun for protection. The men were taken to the Fifth District police station where they again were given Miranda warnings; Powell refused to answer any questions.
Powell was indicted for unlawful possession of a firearm and ammunition by a felon, in violation of 18 U.S.C. § 922(g)(1). He filed a pretrial motion to suppress physical and oral evidence on four grounds: (1) the police lacked probable cause to believe a misdemeanor was being *350committed in their presence because it had been completed when the officers arrived on the scene; (2) he was not in the car at the time of any arrest and that any search of the car was not incident to an arrest; (3) Officer Jones’s entry into the car constituted a search at its inception and was unsupported by probable cause, and (4) any statements he made were the result of interrogation following an illegal arrest and there were no valid Miranda warnings or waiver of his Miranda rights. The district court denied the motion. A jury found Powell guilty. The district court sentenced Powell to 46 months’ imprisonment, followed by three years supervised release. See 18 U.S.C. § 924(a)(2).
II.
Powell appeals the judgment of conviction, specifically the denial of his motion to suppress evidence found in the car and his statement in response to police questioning after he was in handcuffs. We review the district court’s determinations of questions of law de novo and its findings of historical fact for clear error. See Ornelas v. United States, 517 U.S. 690, 699, 116 S.Ct. 1657, 134 L.Ed.2d 911 (1996); United States v. Holmes, 385 F.3d 786, 789 (D.C.Cir.2004).
On appeal, the Government makes two concessions that narrow our inquiry. First, the Government acknowledges that the record shows that Officer Jones both saw and smelled the yellowish liquid in the cups only after leaning inside the car through the open window on the driver’s side of the car. This is clear from Officer Jones’ testimony. Thus, the Government correctly concedes that the district court clearly erred in finding that Officer Jones first saw the yellowish liquid in the cups while he was standing outside the vehicle. Having entered the car without probable cause and conducted, on the basis of what he had seen while inside the car, a complete search of the car interior that revealed the backpack with the gun, Officer Jones could not use the fruits of this unlawful search to justify the search or render it permissible under the Fourth Amendment. See, e.g., New York v. Class, 475 U.S. 106, 114-15, 106 S.Ct. 960, 89 L.Ed.2d 81 (1986); United States v. Maple, 348 F.3d 260, 261 (D.C.Cir.2003). Second, the Government concedes that the search cannot be justified under the Fourth Amendment as incident to the arrest of the car passenger for possessing an open container of alcohol, see D.C.Code § 22-1001(d) (2001), because the police only had probable cause to believe this violation had occurred as a result of the unlawful search. Again, this is clear from Officer Jones’s testimony. Thus, the only question before the court is whether the Government can justify the otherwise unlawful search of the car because the search was “incident to” Powell’s post-search arrest for a misdemeanor and thus use the fruits of the unlawful search to justify Powell’s arrest for a felony offense. Although the district court did not reach this question, the Government made the argument in the district court and may seek affirmance of the judgment on an alternate ground. See United States v. Hylton, 294 F.3d 130, 136 (D.C.Cir.2002) (citing United States v. Garrett, 720 F.2d 705, 710 (D.C.Cir.1983)).
The Supreme Court has long recognized an exception to the general warrant requirement under the Fourth Amendment for searches incident to prior lawful custodial arrests. In United States v. Robinson, 414 U.S. 218, 94 S.Ct. 467, 38 L.Ed.2d 427 (1973), the Court acknowledged this court’s “comprehensive treatment of the authority of a police officer to search the person of one who has been validly awested and taken into custody,” id,, at 223-224, 94 S.Ct. 467 (emphasis added), in concluding that the police officer’s *351body search (and subsequent container search) of the defendant after he was arrested for driving after revocation of his operator’s permit did not “offend the limits imposed by the Fourth Amendment,” id. at 224, 94 S.Ct. 467. The Court then observed that
[i]t is well settled that a search incident to a lawful arrest is a traditional exception to the warrant requirement * * * [that] has historically been formulated into two distinct propositions. The first is that a search may be made of the person of the arrestee by virtue of the lawful arrest. The second is that a search may be made of the area within the control of the arrestee.
Id. The Court held that “in the case of a lawful custodial arrest a full search of the person is not only an exception to the warrant requirement of the Fourth Amendment, but is also a ‘reasonable’ search under that Amendment.” Id. at 235, 94 S.Ct. 467.
In Belton, 453 U.S. at 460, 101 S.Ct. 2860, the Supreme Court extended this exception, holding that “when a policeman has made a lawful custodial arrest of the occupant of an automobile, he may, as a contemporaneous incident of that arrest, seai’ch the passenger compartment of that automobile,” id. at 460, 101 S.Ct. 2860 (emphasis added), including the contents of any containers found therein, id. The Court observed that it has identified two historical rationales for the exception: (1) the need “to remove any weapons that [the arrestee] might seek to use in order to resist arrest or effect his escape,” and (2) “the need to prevent the concealment or destruction of evidence [by the arrestee].” Id. (quoting Chimel v. California, 395 U.S. 752, 763, 89 S.Ct. 2034, 23 L.Ed.2d 685 (1969)); see Robinson, 414 U.S. at 234, 94 S.Ct. 467. In Belton, the defendant, who had been a passenger in a car stopped for speeding, “was the subject of a lawful custodial arrest on a charge of possessing marihuana,” id. at 462, 101 S.Ct. 2860, and “[t]he search of [his] jacket [found in the back seat of the car] followed immediately upon that arrest,” id. The Court recalled that the exception to the warrant requirement is based on the recognition “that ‘the exigencies of the situation’ may sometimes make an exemption from the warrant requirement ‘imperative.’ ” Id. at 457, 101 S.Ct. 2860 (quoting McDonald v. United States, 335 U.S. 451, 456, 69 S.Ct. 191, 93 L.Ed. 153 (1948)). It recounted that “a lawful custodial arrest creates a situation which justifies the contemporaneous search without a warrant of the person arrested and of the immediately surrounding area,” id. (citing Chimel, 395 U.S. at 763, 89 S.Ct. 2034).
Powell contends that neither of the two historical rationales that the Supreme Court has provided for the search-incident-to-arrest exception apply in his case. Although on the facts found by the district court the police had probable cause to arrest Powell for disorderly conduct, unlike the police in Belton, the police here did not formally arrest or otherwise detain Powell before searching the car. Powell points out, based on the record before the district court, that the officers had not spoken to him or to the second man who was urinating when Officer Jones began searching the car. Powell therefore maintains that he and the second man had no reason to believe they were under arrest and thus had no reason to resist arrest or to destroy evidence.
The Government urges the court to hold that the existence of probable cause to arrest is alone sufficient for the exception under Belton to apply. Relying on United States v. Riley, 351 F.3d 1265, 1269 (D.C.Cir.2003), the Government would have the court extend the Belton exception to cases where the police could have initiated a lawful arrest but did not. Extend*352ing the exception in that manner would be entirely misplaced.
First, Supreme Court precedent undercuts the notion that authority to arrest, when no arrest occurs, empowers a police officer to conduct a warrantless search of the passenger compartment of a car. Belton and its progeny have used the phrase “incident to” to refer to a search that follows a lawful custodial arrest, not vice versa. See Belton, 453 U.S. at 460, 101 S.Ct. 2860; Robinson, 414 U.S. at 223-24, 94 S.Ct. 467. In Knowles, 525 U.S. at 118, 119 S.Ct. 484, the Court rejected the argument that a police officer who issued a traffic citation had grounds to search the car merely because the officer could have arrested the driver for the offense for which the officer issued a citation. The choice made by the police officer — to arrest or to issue a citation — determined what action the officer could lawfully take thereafter. The Court’s holding that the warrantless search was unlawful was unaffected by the fact that, under the applicable statute, the police officer had probable cause to arrest the driver. Id. at 115, 119 S.Ct. 484.
Second, the Government’s position would sever the exception from its two historical rationales. In Knowles, the Court reaffirmed that the authority to search incident to a prior arrest is an exception to the Fourth Amendment warrant requirement and that its scope is specifically circumscribed by two concerns: officer safety and preservation of evidence. Id. The Court explained that until an encounter ripens into an arrest, neither rationale is triggered because “[1] a person might well be less hostile to the police and [2] less likely to take conspicuous immediate steps to destroy incriminating evidence.” Id. at 117, 119 S.Ct. 484 (quoting Cupp v. Murphy, 412 U.S. 291, 296, 93 S.Ct. 2000, 36 L.Ed.2d 900 (1973)). Because there is no reason to fear that the suspect who is issued a citation, in contrast to an “arrestee,” will lash out at the police officer or destroy evidence, the exception does not apply. In Robinson, the Court explained that it is the act of arrest that places the officer in physical danger because of the “extended exposure which follows the taking of a suspect into custody and transporting him to the police station,” 414 U.S. at 234-35, 94 S.Ct. 467, recognizing that “[t]he danger to the police officer flows from the fact of the arrest, and its attendant proximity, stress, and uncertainty, and not from the grounds for arrest,” id. at 235 n. 5, 94 S.Ct. 467. Absent a prior custodial arrest, the danger that the Supreme Court has deemed to necessitate an exception to the warrant requirement is, as a matter of law, non-existent. The Court reaffirmed this reasoning in Knowles, 525 U.S. at 117-18, 119 S.Ct. 484. Reversing a conviction based on the fruits of a search of a car incident to a citation and not an arrest, the Court reasoned that “the threat to officer safety from issuing a traffic citation ... is a good deal less than in the case of a custodial arrest.” Id. at 117, 119 S.Ct. 484. Further, “[o]nce [the defendant] was stopped for speeding and issued a citation, all the evidence necessary to prosecute that offense had been obtained.” Id. at 118, 119 S.Ct. 484.
Third, no precedent supports the Government’s position that a warrantless search can be justified by a hypothetical arrest that may or may not have occurred had the search turned up no evidence of criminal wrongdoing. Although the defendant in Rawlings v. Kentucky, 448 U.S. 98, 100 S.Ct. 2556, 65 L.Ed.2d 633 (1980), which was decided prior to Belton, was not placed under “formal arrest” until “quickly” after he was searched, id. at 111, 100 S.Ct. 2556, “[t]he Court’s every word and sentence cannot be read in a vacuum; its pronouncements must be read in light of the holding of the case and to the degree *353possible, so as to be consistent with the Court’s apparent intentions and with other language in the same opinion.” Aka v. Wash. Hosp. Ctr., 156 F.3d 1284, 1291 (D.C.Cir.1998) (en banc). The Court in Rawlings had to decide whether drug evidence was the fruit of illegal detention and illegal searches. 448 U.S. at 100, 100 S.Ct. 2556. The police had come to an apartment to execute an arrest warrant and although they did not find the man named in the warrant, others in the apartment, including Rawlings, were detained when the police smelled marihuana smoke and saw marihuana seeds on the mantle in a bedroom. See id. Rawlings was detained by the police for forty-five minutes while a search warrant for the apartment was obtained and told he could leave only if he consented to a body search. Id. When the police returned with a search warrant, Rawlings was read the Miranda warnings and told to claim what was his from the contents of a purse belonging to another detainee. When Rawlings claimed the controlled substances, the police searched his person, finding a large amount of cash and a knife, and “placed Rawlings under formal arrest.” Id. at 101, 100 S.Ct. 2556.
Thus, in Rawlings, there was a custodial arrest once the police made clear to Rawlings that he was being detained and could not leave the apartment without submitting to a body search. The fact that the police gave him Miranda warnings once they returned to the apartment with a search warrant further indicated that the police had placed him under arrest prior to the search. The Court made no reference to Robinson. To the extent the Court relied on the fact that the police had probable cause to arrest Rawlings before the search, see id. at 111, 100 S.Ct. 2556, its rationale does not survive Belton and its progeny. See Knowles, 525 U.S. at 118, 119 S.Ct. 484.
In Riley, the formal announcement of arrest followed a body search after a custodial arrest. Relying on Rawlings, this court declared that “[i]t [wa]s of no import that the search [of the suspect] came before the actual arrest.” 351 F.3d at 1269 (citing Rawlings, 448 U.S. at 111, 100 S.Ct. 2556). Again, the court’s pronouncement cannot be read in a vacuum. See Aka, 156 F.3d at 1291. The police had been alerted by a tip that Riley was carrying a large amount of crack cocaine in his sock. Id. at 1266. Upon locating the suspect and confirming his name, three officers surrounded him, so that he could not move without touching one of them, and ordered him to dismount from a moped. Id. at 1267. An officer then leaned down, saw a bulge in Riley’s sock, and recovered drugs from the sock. Id. The court had to decide whether there was probable cause to support Riley’s arrest at the time he was surrounded and ordered to dismount, and, if so, whether the search of his sock, before his formal arrest, was incident to that arrest. Id. The Government “expressly disavowed” any view that the police action in surrounding Riley was simply a seizure under Terry v. Ohio, 392 U.S. 1, 88 S.Ct. 1868, 20 L.Ed.2d 889 (1968). See Riley, 351 F.3d at 1267 Based on the tip and police confirmation of details such as the suspect’s appearance and name, the court held there was probable cause for the arrest when the police surrounded Riley, id. at 1267-68, and under the circumstances, the fact that “the actual arrest” followed the search of Riley’s person was immaterial, id. at 1269. The court did not address Belton or its progeny. To the extent Riley might be read as authority for upholding searches based on the mere existence of probable cause when there is a post-search arrest, such a reading cannot be reconciled with the court’s recognition that a lawful arrest had occurred in Riley prior to the search, much less with Belton and its progeny *354regarding what exigencies can justify the search-ineident-to-arrest exception to the warrant requirement.
Fourth, assuming the sequencing analysis in Rawlings and Riley for a search of the person would apply to the search of a car, the Government’s reliance on Riley is misplaced because it ignores, as does our dissenting colleague, see infra at 872, the custodial nature of the police conduct that preceded the body search. We agree with the Seventh Circuit that for purposes of the search-incident-to-arrest exception, a “suspect is under custodial arrest when a reasonable person in the suspect’s position would have understood that situation to constitute a restraint on freedom of movement of the degree which the law associates with formal arrest.” Ochana v. Flores, 347 F.3d 266, 270 (7th Cir.2003). Certainly, handcuffing a suspect prior to a search, see dissent at 872 - 873, would qualify as a custodial arrest. No such arrest occurred here. Prior to the search of the car, the police neither told Powell that he was under arrest for urinating in public in their presence, nor restrained his movement in a manner that would indicate to a reasonable person in his position that he was not free to leave because he was being detained by the police. At the time of the search, the police were still investigating the situation as they had no prior information about any of the men or the car when they arrived at the scene. Although Officer Jones had removed the passenger from the car, as might be justified by a concern for his safety, see Knowles, 525 U.S. at 117-18, 119 S.Ct. 484, the first inkling of an arrest came only with Officer Jones’ command after the search, which turned up dangerous contraband, to “hook him up.” Even under the dictum in Riley, 351 F.3d at 1267, regarding a Tewy seizure, none had occurred.
In short, neither the Supreme Court nor this court in Riley has strayed from the requirement underlying the exception to the warrant requirement that the search be incident to a prior lawful custodial arrest. To the extent this court may have attempted to fashion a different rule, see United States v. Abdul-Saboor, 85 F.3d 664, 668 (D.C.Cir.1996), cited by our dissenting colleague, infra at 871, and the dissent attempts to do so today, see id. at 872 - 873 & n. *, and our sister circuits have concluded that the existence of probable cause to arrest is a sufficient substitute for a custodial arrest prior to a search under the Belton exception, see United States v. Smith, 389 F.3d 944, 951 (9th Cir.2004); United States v. Lugo, 170 F.3d 996, 1003 (10th Cir.1999), the Supreme Court rejected that sequencing analysis in Knowles.
Fifth, adopting the extension of Belton’s bright-line rule that the Government seeks — whereby the police could lawfully search incident to the possibility of an imminent arrest based on probable cause — would eviscerate the limits placed by the Supreme Court on a carefully circumscribed exception to a constitutional right. The police undoubtedly witness numerous occurrences of conduct that they conclude is so trivial that an arrest is unwarranted even though such conduct generates probable cause to arrest. Under the Government’s theory, which is embraced by our dissenting colleague (with a qualification regarding a later arrest), see infra at 873 n.*, the police would have a blank check to search cars whenever an offense too trivial in their view to justify making a custodial arrest was committed by someone who conceivably could have a connection to a nearby car. But the possibility of an imminent arrest does not present the circumstances that, under Belton and its progeny, permit a warrantless search prior to a lawful custodial arrest. *355The Supreme Court emphasized, in reversing the conviction in Knoivles, that the search-incident-to-arrest exception it has recognized to address exigent circumstances relating to police safety and securing evidence from interference by the arrestee is tied to two rationales, which are directly linked to the prior initiation of a custodial arrest. If the rationale for the exception to the warrant requirement of the Fourth Amendment is absent, because there is no custodial arrest prior to the search, then the exception is inapplicable.
The objective facts known to the police when they arrived in the 1700 block of West Virginia Avenue, N.E., provided probable cause to arrest two men for urinating in public in the presence of the police, D.C.Code § 22-1321; Scott v. United States, 878 A.2d 486, 487-88 (D.C.2005). The police chose not to place Powell and the second man under arrest for disorderly conduct and instead searched the car. As witnesses to the public urination, the police had all the evidence necessary to prosecute that offense, but because they did not place Powell under arrest, under Belton and its progeny the police could not lawfully search the passenger compartment of the car without a warrant, even assuming they had reason to believe that Powell was a recent occupant of the car. Cf. Knowles, 525 U.S. at 118, 119 S.Ct. 484. Concern for the officers’ safety was addressed when Officer Jones removed the passenger from the car. See id. at 117-18, 119 S.Ct. 484. The police had no information prior to conducting the search that the car contained dangerous contraband. See generally Maple, 348 F.3d at 263-64 (citing Cady v. Dombrowski, 413 U.S. 433, 441, 93 S.Ct. 2523, 37 L.Ed.2d 706 (1973)).
We need not address whether the police had sufficient reason to believe that Powell had been a recent occupant of the car at the time Officer Jones searched it. In Thornton v. United States, 541 U.S. 615, 620-21, 124 S.Ct. 2127, 158 L.Ed.2d 905 (2005), the Supreme Court recognized, in different circumstances, that an arrestee’s recent occupancy of a car was sufficient to justify a search of the passenger compartment after a custodial arrest. The issue is not before us because whatever Powell’s apparent connection to the car, his commission of a misdemeanor offense, in the absence of a custodial arrest, was insufficient to justify the search of the car under Belton. Absent police conduct that would have indicated to a reasonable man in Powell’s position that he was under arrest, neither of the historical rationales provided by the Supreme Court for the search-incident-to-arrest exception is triggered. See id. at 621, 124 S.Ct. 2127.
Because the police lacked probable cause to search the car, we hold that the district court erred in denying Powell’s motion to suppress evidence. Accordingly, we reverse the judgment of conviction based on the fruits obtained as a result of the unlawful search.