Continuity mistake: Throughout the scene where the SUV crashes in the woods, Sadie is wearing large dangling earrings. In one quick shot where she is seen sitting in the back of the vehicle after the crash, her left earring is missing. It reappears in the next shot.
Character mistake: John, a doctor, doesn't tilt his daughter's head back as he gives her CPR.
Plot hole: When the 3 criminals are in the kitchen with Mary's parents, you see a picture of Mary on the fridge. There's no way none of them didn't see it considering they were in the kitchen for an extended period of time.
Continuity mistake: When Krug and his gang enter the motel room, Sadie removes her top, then puts on her bra twice.