Whеn Roscoe Williams saw plain-clothed police officers getting out of their unmarked cars, he took off running and threw away the weapon tucked in his waistband. A jury found him guilty of being a felon in possession of a firearm in violation of 18 U.S.C. § 922(g)(1). Mr. Williams now appeals. He challenges the sufficiency of the evidence presented against him and the appropriateness of a “flight” instruction givеn to the jury. For the reasons that follow, we affirm the conviction.
I
BACKGROUND
On the evening of September 6, 1990, two unmarked police cars pulled up to the Ida B. Wells Public Housing Complex near 39th Street and King Drive in Chicago. Out of one car emerged two plain-clothed police officers; out of the other exited three more officers. They were meeting to investigate complaints оf narcotics trafficking at the housing project.
When they arrived, Roscoe Williams was leaning against a chain-link fence nearby. As the two officers got out of the car, Mr. Williams stood up and began walking toward them; however, he then turned around and walked away from them — and toward the other three officers who had gotten out of their car. Looking over his shoulder at the two officеrs now behind him and walking toward him, Mr. Williams began to trot. When he reached the end of the chain-link fence bordering the sidewalk, Mr. Williams began running across the empty lot. As Mr. Williams ran, one policeman identifiеd himself and shouted to Mr. Williams to stop. Mr. Williams continued to run through the vacant lot. Three of the officers saw him reach into the waistband of his trousers with his right hand, pull out a gun, and toss it away while he ran. One of thе policemen retrieved from the dirt path the loaded .357 caliber Sterm Ruger magnum revolver. The others, announcing again that they were police and calling out to him to stop, chasеd Mr. Williams. He was soon caught in a fence-enclosed back yard and arrested.
Mr. Williams was charged in a single-count indictment with being a felon in possession of a firearm in violation of 18 U.S.C. § 922(g)(1). In the course of the two-day trial, the jury heard the testimony of the three police officers who witnessed Mr. Williams in possession of the gun, and of the ATF agent who prepared a report on the cаse. The jury found the defendant guilty as charged. Based on his four prior felony convictions, Mr. Williams received the statutory mandatory minimum term of fifteen years’ imprisonment under the Armed Career Criminal Act, 18 U.S.C. § 924(е)(1). Mr. Williams now appeals.
II
DISCUSSION
A. Sufficiency of the Evidence
Mr. Williams raises two evidentiary challenges concerning the sufficiency of the government’s proof that he knowingly possessed a firearm. First, he challenges the crеdibility of the officers’ testimony that Mr. Williams threw away a revolver. He explains that, because the night was dark and the lot was cluttered with broken glass and *878 debris, the police would have been looking down and would not have seen that Mr. Williams was in possession of a firearm. Second, by pointing to factual inconsistencies between the testimony of the police officers and a report prepared by an ATF agent, Mr. Williams contends that the government failed to present enough consistently credible evidence to convict him beyond a reasonable doubt.
A defendаnt who challenges his conviction on the basis of insufficient evidence carries a heavy burden.
United States v. Nurwrdin,
To obtаin a conviction under § 922(g)(1), the government must prove beyond a reasonable doubt that Mr. Williams knowingly possessed a firearm that had traveled in interstate commerce, and that he had been convicted of a felony prior to the events at issue.
See Patterson,
Three police оfficers who had been at the scene each testified that, as Mr. Williams ran from them, they saw him pitch away the gun he was carrying in the waistband of his trousers. The officer who retrieved it testified that he hаd noticed where the gun had landed, and that the weapon he found was a loaded .357 magnum handgun. This testimony was sufficient to allow a jury to conclude that the defendant was knowingly in possession of а firearm.
See id.
(finding witness identification both of defendant and gun sufficient);
United States v. Elder,
Mr. Williams also claims thаt inconsistencies exist between the ATF agent’s report, written six months after Mr. Williams’ arrest, and the testimony of the police. This contention need not detain us long. The discrepancies are minоr and of no consequence. Notably, with regard to the crucial element of the offense at issue in this case—Mr. Williams’ possession of the revolver—no discrepancies existed. Morе importantly, the jury is not required to eliminate consideration of evidence that may not be perfectly consistent; its duty is to weigh all the evidence presented and to assess its credibility. Mr. Williams hаd the opportunity to advise the jury of any
*879
testimonial discrepancies. It is the responsibility of the jury, not an appellate court, to decide “which witnesses to believe, and which part оf those witnesses’ testimony to believe.”
Patterson,
B. Flight Instruction
The government proposed, and the court gave, the following flight instruction to the jury:
Intentional flight by a defendant from law enforcement immediately after the commission of the crime is not of course sufficient in itself to establish the defendant’s guilt, but it is a fact which, if proved, may be considered along with all the other evidence in the case in determining the defendant’s guilt or innocence.
Tr. 429. Mr. Williams admits that there was evidence that he ran in this case. He contends, however, thаt the district court committed reversible error by giving, over his objection, this instruction. In his view, the instruction unduly emphasized this evidence and improperly allowed the jurors to infer guilt from the mere fact that hе ran from the police. He argues that the reason for his flight could have been a fear that the plain-clothed men getting out of two cars were actually gang members, or a generalized fear because he is an African-American and a convicted felon. The court denied Mr. Williams’ objection to the instruction on the grounds that there was evidence of flight before the jury, and that the instruction was balanced and in some ways helpful to the defendant.
We have long adhered to the Supreme Court’s counsel that courts be wary of the probative value of flight evidence.
See Wong Sun v. United States,
[t]he probative value of flight as evidence of a defendant’s guilt depends on the degree of confidence with which four inferences can be drawn: (1) from behavior to flight; (2) from flight to consciousness оf guilt; (3) from consciousness of guilt to consciousness of guilt concerning the crime charged; and (4) from consciousness of guilt concerning the crime charged to actual guilt of the crime charged.
United States v. Levine,
Because the probative value of flight evidence is often slight, there is a danger that a flight instruction will isolate and give undue weight to such evidence. Consequently, we have discouraged its use in this circuit. As the district court acknowledged, our pattern instructions state as much.
See also Jackson,
*880 Conclusion
For the foregoing reasons, the judgment of the district court is affirmed.
AFFIRMED.
Notes
.
See also United States v. Coleman,
