Audio problem: When Tina is in the car with who she thinks is her boyfriend but is really Michael Myers; watch her lips when she says the line "Nothing Mike, that's what I get, Nothing." It is obvious that this line was dubbed in over something else as her lips do not match that particular line. (00:42:55)
Audio problem: Watch closely to the scene right after Tina is stabbed and Billy is trying to pull Jaime away from her. There is a part where in the dimly lit bushes where Jaime keeps yelling "Tina", but her lips aren't moving.
Audio problem: When Sam is fighting Michael in the barn she says "you son of a bitch", but her mouth is closed.
Audio problem: When Jamie finds Rachel's body she says "Rachel, help me". She says "help me" again but her mouth is closed.
Audio problem: When the man with the cowboy boots on walks, it sounds like he's wearing spurs although he's not wearing any.
Audio problem: Tina screams for Jamie but we hear her say Billy instead.
Answer: She thought Michael was chasing her.