Authority of the Federal Bureau of Investigation to
Investigate Police Killings
The Federal Bureau of Investigation is not presently authorized to investigate killings o f
non-federal law enforcement officers which involve only violations of state law, even
in response to a presidential directive.
January 16, 1981
M EM ORANDUM OPIN IO N FO R T H E D IR EC TO R ,
F E D E R A L BUREAU O F IN V ESTIG A TIO N
This responds to your request for our views on the extent of the
Federal Bureau of Investigation’s (FBI’s) authority to investigate the
killing of a non-federal law enforcement officer when requested to do
so by a local law enforcement official. Your question is directed specifi
cally to investigations involving violations of state law but not federal
law. In addition to the threshhold question of authority, you also pose
questions regarding the form o f the request for assistance (whether
written or oral); the need, if any, to seek statutory authority for the
investigation; and the propriety of continuing the investigations in ad
vance of this legislation. We conclude that the FBI does not presently
have the authority to conduct these investigations. The form of the
request for assistance is therefore irrelevant. W hether legislation should
be sought to authorize investigations of this nature depends on whether
the FBI desires to continue to respond to requests for assistance from
local authorities. If so, legislation must be sought; and the FB I has no
authority to conduct such investigations in the interim.
I. Background
The FBI’s investigation of killings of non-federal law enforcement
officers apparently began in response to a presidential directive of
November 1, 1970, from President Nixon to Attorney General M itch
ell.1 Noting the increasing number of assaults on law enforcement
*Our search for communications or memoranda discussing the legality o f the proposed investiga
tions has disclosed no record m the files of this Office or anywhere else in the Department prior to the
date of the directive. W e have also made informal inquiries at the Office of Management and Budget
and have been advised that background documents that may have been connected to President
Nixon’s directive, if any, are no longer retrievable.
45
officers, President Nixon directed the Attorney General “to make avail
able all appropriate investigative resources of the Department of Justice
to w ork jointly with State or local police when requested in any case
involving an assault upon a police officer.” 2 Subsequently, on June 3,
1971, President Nixon met with the Attorney General, the Director of
the FBI, Representatives o f Congress, and 19 police executives from
around the country. The President announced that, in addition to the
previously available services of the FB I laboratory, the Identification
Division, the National Crime Information Center, and the investigation
o f out-of-state leads, the F B I would actively participate in the investi
gation of police killings w hen a local law enforcement agency re
quested the assistance. On June 4, 1971, the FBI Director instructed all
field divisions regarding the new policy, advising them to obtain a
written request for assistance and then “ work the investigation like we
would a bank robbery case, jointly, tow ard the solution of the killing.”
An internal FBI memorandum of June 5, 1971, recognized “the
unique situation involved [,] there being at this time no Federal law
providing penalties for the killing of a local law enforcement officer.”
Accordingly, the memorandum advised that the views of the D epart
ment of Justice should be sought on some of the legal issues incident to
the new policy. By memorandum of the same date, the Director of the
FBI requested an opinion from the Attorney General regarding the
F B I’s jurisdiction to investigate a purely local offense.3
T he Assistant Attorney General in charge o f the Criminal Division
replied by memorandum o f June 28, 1971. Having noted a proposed
line item for inclusion in the F B I’s annual appropriation providing for
investigation o f police killings, the memorandum concluded that FBI
jurisdiction to investigate posed no problem. “Congressional authoriza
tion to expand funds for assistance of state law enforcement activities
appears to us a proper exercise o f the spending power.” 4
T he appropriation apparently relied on in that June 28, 1971, memo
randum was not enacted as proposed; and questions about the FB I’s
jurisdiction continued. On November 1, 1979, the FBI’s Legal Counsel
Division, by memorandum for the Assistant Director, Planning and
Inspection Division, discussed the legality o f FBI investigations of
police killings and concluded that there was no specific statutory au
2A ccording to an internal FBI memorandum of June 4, 1971, the purpose o f the change in policy
was to forestall, if possible, the passage of the many bills pending in Congress which would have
required the FBI to take over the investigation of police killings. T h e FBI has consistently resisted all
such legislation as an instrusion on local law enforcement responsibilities, and, in some cases, as an
excessive demand on FBI investigative resources.
3T he request was primarily concerned with the FB I’s authority to arrest, search, or interrogate a
suspect in connection with a local offense.
4T he memorandum also noted the desirability o f a more explicit statutory authorization for
w arrantless arrests by the FBI in cases not involving violations of federal law. It is not clear from the
memorandum w hether authonty for the investigation o f police killings was thought to exist. But it
does appear that further statutory authonty was thought to be necessary and, moreover, that inclusion
o f the line item in the appropriation w as expected to suffice.
46
thority. The memorandum suggested that the investigations might be
justified because Congress had been made aware of the investigations
by statements by the Director in appropriations hearings. “Subsequent
Congressional action in appropriating funds for these activities could be
construed as tacit approval . . . .” Still, the memorandum recognized
the implication of a memorandum of this Office of March 22, 1978,
entitled “FBI Cooperation with State or Local Authorities,” 5 which
advised that the FBI had no authority to conduct interviews for the
benefit of state and local law enforcement agencies where there was no
possible violation of federal law. Although noting that the March 22
memorandum did not specifically address the question of FBI authority
to act in response to a presidential directive, the Legal Counsel Divi
sion concluded that our memorandum did “point out the necessity for
clarification in this area.” Your request for our advice followed.
II. The FBI’s Legal Authority to Investigate
The FB I’s investigative authority derives from the Attorney Gener
al’s power to appoint officials to detect “crimes against the United
States.” 28 U.S.C. § 533(1). By regulation, the FBI is empowered to
investigate “violations of the laws o f the United States.” 28 C.F.R.
§ 0.85(a) (1980). In construing the extent of this power, this Office has
issued two memoranda, in addition to that o f March 22, 1978, which
are relevant.
In a memorandum of November 9, 1977, for the Director of the
Federal Bureau of Investigation (“ FBI Cooperation with Local Au
thorities”), we discussed various problems arising in the context of FBI
participation in cooperative undercover efforts with local law enforce
ment authorities. We considered first an investigation initiated in the
belief that violations of federal law may be involved, and we concluded
that “[a]s long as there remains a legitimate basis for the view that the
investigation of the underlying conduct may unearth violations of fed
eral law, we believe that the FBI is authorized to proceed with the
investigation.” But we further considered the situation where, as the
cooperative investigation proceeded, it became clear that the activity in
question did not constitute a violation of federal law. We concluded
that the FBI could not in such circumstances continue to cooperate
with local authorities because “[t]he investigation of violations o f state
law alone would be beyond the authority conferred on the FBI by 28
U.S.C. § 533(1) and 28 C.F.R. §0.85.” Moreover, incurring expenses
other than those necessary for the detection and prosecution of crimes
against the United States would result in a violation of 31 U.S.C. § 628,
which precludes expenditures except for the purpose for which the
5 A copy of the memorandum, which was in the form of a memorandum to files, was sent to the
FBI.
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appropriation was made. T h e only exception that we noted was in the
context o f an investigation from which the F B I’s abrupt withdrawal
would result in a significant likelihood of physical harm to other par
ticipants. In that case, we indicated that the FBI would be justified in
continuing its covert activity to the extent necessary to prevent such
harm.
W e also had occasion to consider related issues in a memorandum of
February 24, 1978, for the D irector o f the Federal Bureau of Investiga
tion (“Responsibility and A uthority of FBI Agents to Respond to
Criminal Offenses Outside th e Statutory Jurisdiction of the FB I”). That
m emorandum dealt with the commission of state law offenses in the
presence or immediate vicinity of an FB I agent who then acts either on
his ow n accord or in response to a summons by a local law enforce
m ent officer to detain or arrest the offender. We stated at the outset
that we thought it “clear th at the FB I has no federal authority to take
action with respect to violations o f state law, even in the exigent
circumstances . . . presented].” Noting that the FBI’s statutory juris
diction in every respect—investigation, execution of search or arrest
warrants, and making arrests without warrants—was limited to acts
involving violations of the laws of the United States, we concluded that
“ [a]ny action taken with respect to the violation of state or local law
w ould thus be beyond the F B I’s explicit statutory authority.” We did
find, however, that certain exigent circumstances would give rise to an
agent’s obligation and pow er under state law to intervene in state
offenses, specifically, if state law designated the agent a peace officer, if
the common law authorized a private citizen to act, or if the common
law or state statutory law required a bystander to respond to a sum
mons by a local law enforcement officer.
W e see nothing in the question o f FBI authority that you now raise
that would permit a different answer than that which follows from the
plain language o f § 533(1) itself and from our three prior memoranda.6
6 W e cannot find congressional approval of the investigations through the device of FBI appropria
tions following hearings at which D irector Hoover referred to the practice. It is true that congres
sional ratification by subsequent appropriations has been found on occasion, see Ivanhoe Irrig. Disi. v.
McCracken. 357 U.S. 275, 292-94 (1958); Brooks v. Dewar, 313 U.S. 354, 360-61 (1941); Sibbach v.
Wilson & Co.. 312 U.S. 1, 15-16 (1941); United States v. Midwest Oil Co.. 236 U.S. 459, 481 (1915). For
a number o f reasons, however, we find no such ratification here. First, the asserted congressional
awareness in this case goes no further than a single committee. Moreover, it is the Appropriations
Committee, which has no jurisdiction over FBI activities and whose work is limited, by House and
Senate rules, to non-substantive legislation. See TVA v. Hill, 437 U.S. 153, 189-192 (1978). Second, the
unambiguous language of the statute is too plain to admit of a different construction, which is the
usefulness o f the doctrine o f congressional acquiesence. Jones v. Liberty Glass Co.. 332 U.S. 524, 533—
34, (1947); First Nat. City Bank v. United States. 557 F.2d 1379, 1384 (Ct. Cl. 1977) In these
circumstances, w e would not be giving effect to a “construction** o f the statute; rather, w e would be
recognizing a repeal (of the limitation on FBI jurisdiction) by implication. See TVA v. Hill, supra; see
also S E C v. Sloan, 436 U.S. 103, 121 (1978).
N or can w e find that the agency practice is entitled to the deference that arises in other cases from
consistent and longstanding administrative interpretation. Such deference cannot be paid where the
practice is inconsistent with or in excess of statutory authority. E .g, VolksWagenwerk v. FMC, 390
U.S. 261, 272 (1968); Opinion of the A ttorney General for the Secretary of Agriculture, June 23, 1980,
at 12 [4 Op. O.L.C. 30, 38 (1980)]. See S E C v. Sloan. 436 U.S. at 117-19.
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If there is no reasonable expectation that the investigation will lead to
evidence of a violation o f federal law—and you specifically pose only
the situation w here there is none—there is no FBI jurisdiction or
authority to investigate. None of the exceptions to this general rule
outlined in our prior memoranda is applicable here. First, the authority
to begin an investigation cannot be premised on the danger to other
law enforcement officials or informers that might result if the FB I were
to withdraw from the investigation. Second, the authority under the
common law to act upon certain exigencies for crime prevention or
apprehension of offenders does not extend to investigations of crimes
already committed. Third, state statutory law, although it might con
ceivably confer investigative authority, could not authorize expendi
tures that would be incurred in the course of an investigation. The
proscriptions of 31 U.S.C. § 628 would still apply.7
The Legal Counsel Division’s Memorandum appears to suggest that
our well-established view of FBI jurisdiction might be different if, as
here, the activity was bottomed on a presidential directive. Under 28
U.S.C. § 533(3), the Attorney General may appoint officials “to con
duct such other investigations regarding official matters under the con
trol of the Departm ent of Justice and the Department of State as may
be directed by the Attorney General.” We have previously recognized
that pursuant to this section, the FBI could conduct such investigations
as were ordered by a presidential directive related to the President’s
exercise o f his constitutional or statutory functions. Memorandum o f
June 16, 1976, from Assistant Attorney General Scalia, Office o f Legal
Counsel, to Associate Deputy Attorney General Giuliani (“FBI Au
thority to Conduct Investigations of Potential Vice-Presidential Nomi
nees”).8 But we see no reason to believe that the purpose of an investi
gation of a police killing is related to any specific statutory or constitu-
7 We did not address 31 U.S.C. § 628 in our memorandum of February 24, 1978, possibly because an
agent’s actions in arresting or detaining a state law violator m an emergency situation involve no
extraordinary expenses.
5 The memorandum concluded that no constitutional or statutory authority existed to support a
presidential directive to the FBI to investigate possible vice-presidential nominees, and so there was no
discussion of how directly related the investigation must be. The memorandum does suggest, however,
that more than an indirect relation is required Although recognizing that the President's general
powers to “take care that the laws be faithfully executed," U.S. Const., Art. II, § 3, or his nominating
powers, Art. II, § 2, could provide the basis for certain investigations, we nevertheless concluded that
neither justification would apply in the case of a vice-presidential nominee; for the President has no
responsibility o r powers under the Constitution to screen candidates for public office. W e further
considered the President’s need to assure the trustworthiness of a candidate who would receive a
national security briefing. But we found no practice of providing such briefing to vice-presidential
candidates and, moreover, a “possible constitutional impediment to conditioning the conferral of such
a clear benefit in the political campaign, upon agreement to an investigation, particularly when the
incumbent President himself is an opposing candidate.”
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tional pow er o f the President.9 Thus, this purported investigatory
pow er is not authorized by 28 U.S.C. § 533(3).10
III. Proposals for Legislation
You also asked, in the event that we determined that the FBI lacked
the authority to investigate police killings, that we advise whether
authorizing legislation can or should be sought. The question whether
legislation should be sought is a policy decision. However, if such
investigations are to continue, legislation will be required. We see no
constitutional infirmity w ith either o f two legislative proposals that
have been considered in the past. First, the killing of a police officer
could be made a federal crime, as to which the FBI already possesses
investigative authority under 28 U.S.C. § 533(1). Second, specific inves
tigative authority for police killings could be added to the FBI jurisdic
tion conferred under 28 U.S.C. § 533. Such authority could be condi
tioned upon a request for assistance by a local law enforcement agency,
or it could be conferred in all police killing cases. We have no doubt
about the sufficiency of the federal interest in local law enforcement to
enable Congress to proceed either by amendment to the criminal code
or to § 533.
Jo h n M. H arm on
Assistant Attorney General
Office o f Legal Counsel
9 In view o f our conclusion that 28 U.S.C. §533(3) does not apply, we have no occasion to
determ ine w hat particular action is necessary to invoke the powers under that section. We do note,
how ever, that the directive of Novem ber 1, 1970, charged only that the A ttorney General should use
“all appropriate investigative resources” (emphasis added) and did not purport to be an independent
basis o f investigative authonty pursuant to § 533(3). W e should add, moreover, that although it is not
possible conclusively to determine w hat was meant in the directive by “appropriate” resources, it does
appear that the directive was thought to be the basis for investigations not previously within the FBI's
range o f operations. T hat is, we d o not believe that the directive was intended only to authorize FBI
investigations where “appropriate” under existing statutory authority and agency practice. In light of
o u r conclusion, however, that investigations of non-federal offenses are outside the FBI's jurisdiction,
we would now read the directive merely to emphasize that FBI resources may be used in an
“appropriate” case, e.g., where there is a reasonable likelihood of uncovering a violation o f federal
law, and in an “appropriate" manner, e.g., as determ ined by law enforcement officials in their expertise
and in light o f all the circumstances.
10 M oreover, in the absense o f any authority under either § 533(1) or § 533(3) for the FBI to act
upon a request by a state or local law enforcement official for investigative assistance, the form of the
request, w hether written or oral, is o f course irrelevant.
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