Something that bugs me about the film...

Okay. So at the end of the film, Jonathan grabs the tranq gun from the lecture hall to down the Russians.

Now, that tranq gun was loaded for large animals, like tigers. Hit a human with that dose, and you're likely to kill them, or at the least put them in the hospital--which is confirmed later, when we see the antagonist being hauled off in an ambulance.

Okay, no biggie. It was life or death. We get it.

But then...at the end of the film...he's still carrying around the tranq gun--and he shoots the snotty coed with it for blowing him off?

Gah. Psychotic much, there, Jon?