Ron, I think that since you have email evidence that you have tried to do the right thing, that you have no worries about criminal consequences... Just keep all the original documentation, and of course, the emails exchanged with the ATF.
BTW, for those interested, we do have at LEAST one ATF agent as a member, but I am not at liberty to divulge who that is... Certainly, there are some agents who like Lugers too!
(What's not to like
)