When Langston is in the junkyard and is questioning the trucker about Maddie, Langston is holding a photo of Maddie and the position of Langston's hand on the photo change position in between shots.
They say the suspect is waiting for a prescription for diprivan or propofol. You can't get that anesthetic from a pharmacy.
When Sid examines the cross wound on the stomach of the girl in the drum, he pushes down on it, yet the skin edges does not move.
Flack tells Mac that "the truck was a commercial lease out of Charlottesville, North Carolina." Charlottesville is in Virginia; Charlotte is in North Carolina.