The movie Con Air? How did Pinball's body get on the plane? And why didn't Cameron Poe go to the barber or shave in prison?

I recently watched Con Air again? I noticed two things that I hadn't noticed before or that were somehow illogical. 1. How did Pinball's body get onto the plane? He was lying there pretty neatly in the cargo hold, even though he was walking alongside the plane at the time of his death and then…