1. Whether an indictment charging visa fraud under 18 U.S.C. § 1546(a)
or other crimes involving "false statements" must specify the allegedly false
statements at issue and include factual allegations sufficient to establish the falsity
of those statements.

2. Whether a jury instruction that allows for a conviction of a crime
involving "false statements" on the basis of alleged statements other than those
described in the indictment amounts to a "constructive amendment" of the
indictment or a harmless "variance."

Whether an indictment charging visa-fraud must specify the allegedly-false-statements and include factual-allegations to establish their-falsity