Nancy Lanza had authority over Conn. shooter Adam Lanza

NEWTOWN, Conn. -- Adam Lanza used a semiautomatic Bushmaster .223 rifle during his rampage through Sandy Hook Elementary School on Friday, firing dozens of high-velocity rounds as he killed 20 children and six

The gunman in the Connecticut shooting rampage shot his mother multiple times in the head before going to the school and gunning down 26, authorities said Sunday as details emerged suggesting that Adam Lanza had

She goes on: “I am sharing this story because I am Adam Lanza's mother. I am Dylan Klebold's and Eric Harris's mother. I am James Holmes's mother. I am Jared Loughner's mother. I am Seung-Hui Cho's mother. And these boys — and their mothers — need

NEWTOWN, Conn. (CNN) -- As withmany murder-suicides, the gunman in the Newtown, Connecticut, shooting took to his grave the reasons that compelled him to kill more than two dozen people before taking his own life in

New Details of Gunman Adam Lanza's Movement Inside School. Insight on the choices Lanza made as the lone gunman at Sandy Hook Elementary School. 01:58 | 12/16/2012. Related Links: Watch: Sandy Hook Elementary Shooting: Explaining the Tragedy