1. Did the trial court err when it refused to instruct the
jury that the heroin distributed by the defendant was the same
heroin that caused the victims' overdoses in violation of this
Court's precedent in Burrage v. United States?

2. Did the District Court err when it refused to grant Harris
an evidentiary hearing in accord with 28 U.S.C. § 2255(b) as there
was a contested issue of material fact that would have entitled
Harris to relief?

Did the trial court err when it refused to instruct the jury that the heroin distributed by the defendant was the same heroin that caused the victims' overdoses?