Somebody leaving their carry piece under the seat would immeadiately send up red flags for me. Not because I'd think they were up to no good, but because someone that A) Tells a complete stranger they carry, B) Is stupid enough to keep the gun under their seat where it's difficult to access while driving, and C) Incompetent enough to leave it there when they step out of the vehicle especially when they're about to sell it... has to be a complete fvcking retard.