Here’s how the Feds could charge them with possession.
Constructive possession is a legal theory used to extend possession to situations where a person has no hands-on custody of an object. Most courts say that constructive possession, also sometimes called “possession in law,” exists where a person has knowledge of an object plus the ability to control the object, even if the person has no physical contact with it (United States v. Derose, 74 F.3d 1177 [11th Cir. 1996]).
Not that I doubt you, but how does the NRA get away with it’s youth programs?