NEWTOWN - Police released the final report on the investigation into last year's deadly shooting at Sandy Hook Elementary School.

The report includes several thousand pages of cellphone texts, photos and 911 calls received by police on the day of the shooting.

The new material includes dozens of photos from inside of the school, although state police say that many materials were "redacted by law," and many of the photos have been blacked out. There are no photos of the victims.

There are also dramatic police videos and recordings of the 911 calls, including one from the school's conference room. In the call, frightened adults are heard asking for help as they try to assist the wounded.

A total of 20 children and six educators were killed when a shooter opened fire in the school last December before he killed himself.