The reason Adam Lanza was able to kill so many Sandy Hook Elementary School students and teachers so quickly more than two years ago was the weapon he used: A Bushmaster Model XM15-E2S ...

Adam Lanza used this Bushmaster AR-15, model XM15-E2S, to kill students and teachers at Sandy Hook Elementary School in 2012. Parents of 9 children killed at the mass shooting in Sandy Hook ...

On Dec. 14, 2012, it took Lanza just 264 seconds to kill 20 first-graders and six adults with the Bushmaster AR-15 rifle, model XM15-E2S, according to the complaint. Police collected 154 spent, .223 ...

A Bushmaster AR-15, semi-automatic rifle, the type of gun the killer used in the Sandy school massacre Julie Dermansky/Corbis/Getty Images. ... model XM15-E2S, as suitable for combat-style missions.

Families of Newtown Shooting Victims Sue Bushmaster, Gun Seller Published December 15, 2014 • Updated on December 15, 2014 at 8:10 pm • Updated on December 15, 2014 at 8:10 pm ...

Firearms training unit detective Barbara J. Mattson, of the Connecticut State Police, holds up a Bushmaster AR-15 rifle, the same kind of gun Adam Lanza used in the Sandy Hook School shooting ...