When Jessica is killed her eyes are open. When the shot pans out her eyes are closed. Then when the killer removes the tire iron from her mouth her eyes are open again.

Maggie is barefoot when she is running around the house. However, when she, Cassie and Ellie leave the house, she is wearing boots.

When the girls and Garrett are driving to the mineshaft Jessica says "Look at me" three times. The second time her mouth does not move.