Here is the source link. Captions are based on site's allegations.
FEMA personnel and police tape up before the event. Windows are yet damaged but police tape is already up and people are on the scene prepping the scene!
United Mover Trucks seen in parking lot moving in props and material for the FEMA Drill at Sandy Hook
Classroom before FEMA personal drill bullet holes and smash glass.
FEMA personnel drilling the holes and prepping the windows to simulate bullet holes.
Drilled hole being passed off as a bullet hole.