The accused was about to board a plane to Pakistan. Once in custody the federal government has 48 hours to file charges or let him go. These were probably the charges they think they can win in court right now. Others may be coming as their investigation proceeds.
I think that’s why the original criminal complaint & arrest warrant of bank fraud and the related affidavit was hastily gotten.
Though it seems, Awan and his wife could have both been stopped for each having 10 grand on them.
This thing is being played way too low key...