Alright seriously
OMG LOL HE HAS SO MANY WEAPONS OMG THE GUN IS LOADED!!!! puts gun down and walks off
Are you *beep* retarded.
spoiler:
didn't he shoot and kill the bad guy? he obviously didn't leave the gun behind.
Yes he did leave it behind. He went back to get it at the end, after/while Samantha was alone with the camera and the girl.
"You're entitled to your wrong opinion. That's fine."