Continuity mistake: When Marie was in France, she walked around in her living room at night and took a knife from a basket and saw Aaron's reflection on it. She was frightened and dropped it. When she crouched down to pick it up, it changed into a pair of scissors.
Continuity mistake: Kiefer Sutherland plays washed up Detective Mickey Hayden chasing serial killer "Jabberwocky". In the very last scene he's walking through the park, stops at the sound of a distant gun-shot, and flips his cigarette butt away. The next shot, coming up to his parked car - he has a brand new lit cigarette and he flicks that one away too... (01:33:00)