Factual error: She fires the entire magazine of a Glock into the alligator's mouth. When it is empty, rather than the slide locking back and the trigger freezing, there is an audible click every time she pulls the trigger. This could not happen.
Continuity mistake: After the intro, the protagonist receives a phone call from her sister. When she turns around to check out of the TV screen, one of her fellow swimmers, with quite characteristic purple hair, is immediately seen sitting down. Back to the view from inside the locker, the same aubergine-haired girl is coming from the lockers to the benches, to go sit. (00:03:45)