assert his accomplice's Fifth Amendment privilege against self- incrimination, see Bowman v. United States, 350 F.2d 913, 915 (9th Cir. 1965) ("[T]he privilege against self-incrimination is personal to the witness."), he has failed to show that the district court's factual finding that he was fully Mirandized twice before being interrogated is clearly erroneous, see United States v. Connell, 869 F.2d 1349, 1351 (9th Cir. 1989) (reviewing a district court's factual findings underlying an adequacy of the Miranda warning challenge for clear error), and he has not demonstrated that his statements were illegally obtained or improperly admitted at tria1. 2 Second, Roy contends that insufficient evidence supports his convictions because his accomplice's testimony was not corroborated by independent evidence and was therefore inadmissible. The evidence necessary to corroborate accomplice testimony need not, by itself, be sufficient to establish guilt. Ramirez-Garza v. State, 108 Nev. 376, 379, 832 P.2d 392, 393 (1992). "If the evidence, independent of the accomplice testimony, tends to connect the accused with the commission of the offense, then the corroboration requirement contained in NRS 175.291 is satisfied." Id. Here, the victim testified that she lived in an apartment located in building 22 on 6661 Silverstream Avenue and that someone broke into her apartment and stole her belongings. Several LVMPD detectives testified that they were conducting surveillance on Roy on the 2 To the extent that Roy relies on excerpts from his suppression motion to prove that he was not properly advised of his Miranda rights, we note that "[fl acts or allegations contained in a brief are not evidence and are not part of the record." Phillips v. State, 105 Nev. 631, 634, 782 P.2d 381, 383 (1989). SUPREME COURT OF NEVADA 2 (0) 1947A day of the break-in and observed him approach building 22 and later return from that building carrying something. And Roy testified that he was in the apartment on the day that it was broken into. We conclude that this independent evidence was sufficient to connect Roy to the commission of the offenses and thereby corroborate the accomplice's testimony. 3 Having concluded that Roy's contentions are without merit, we ORDER the judgment of conviction AFFIRMED. Gibbons (N.f J. , J. Douglas cc: Hon. Linda Marie Bell, District Judge Carl E.G. Arnold Attorney General/Carson City Clark County District Attorney Eighth District Court Clerk 3 We note that the accomplice testified as a rebuttal witness. SUPREME COURT OF NEVADA 3 (0) 1947A Off:IMMESH= - -CS -