Amber Alerts - What Happened to Skyler?

Sheila terra said skyler insisted they drop her off at the end of the street so we wouldn't hear her sneaking back in. At this point, dave and mary and the police have not seen the surveillance footage of schyler leaving which doesn't make sense with sheila's story. They watched that footage of skylar crossing the parking lot and getting into a vehicle. The footage is so grainy, they can't make out who's in it. And they thought the car actually was nt s v.