Law enforcement officials have released their report about the Sandy Hook Elementary School massacre last December.

The report, released by theOffice of the State's Attorney for the Judicial District of Danbury, contains evidence photos taken from the home of 20 year-old shooter Adam Lanza who lived with his mother in Newtown, Conn.

On Dec. 14, 2012, Lanza went to Sandy Hook Elementary School and killed 20 children, six staff members and his mother.