
Visible crew/equipment: Crew is reflected in one of the large white SWAT vans which pulls up outside Wilson Steel factory. (00:10:50)
Visible crew/equipment: When Alison is in the hand box trap, if you look very carefully you can see a boom mic arm reflected in the glass in one of the quicker shots. No Slow-mo required. (01:07:00)
Answer: Perhaps someone in the vicinity smelled the bodies and called the police. Each of the victims shown on screen appears to have been dead for at least a few days.
alex garrido
Lawrence didn't also die, as he was shown to have survived in Saw 3D. I'm assuming you are talking about Zep.