Sufficient evidence where counterfeit bills were in a stack separate from the other currency and showed varying levels of verisimilitude.
Indictment counts not multiplicitous, as one refers to spoiliation.
Attempt to persuade co-conspirator to remain silent, where accompanied by consciousness of wrongdoing, is culapable, as it falls outside of Fifth Amendment and privilege protections.
A substantial step towards illicit travel must implicate travelling -- not the underlying criminal plan.
http://media.ca8.uscourts.gov/opndir/18/09/171325P.pdf
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.