Continuity mistake: After Spencer is tackled to the ground, his black mask keeps changing positions in every single shot.
Continuity mistake: When Spencer is lying wounded, his head is either surrounded with grass or dirt, depending on the shot.
Continuity mistake: When Rachel's parents drive to Colorado, the co-pilot disappears in the close-up of the driver and the gun next to him.
Continuity mistake: When Rachel is going to Colorado, she holds her phone with one hand. In the close-up, it swaps to both hands and the grip differs.
Continuity mistake: The CGI billboard on the lawn moves to the left between shots.