美校园血案前夕 凶嫌母:儿子恶化 豪宅曝光(组图)

　　Outsider: Former classmates remember Lanza walking through school dressed in black, carrying a black briefcase.

　　Nancy Lanza's home in Newtown, Connecticut, was raided after 2 pm on Friday and she was found shot dead from an apparent gunshot wound to the face

　　Photographs released of the young victims of Friday's shooting at Sandy Hook Elementary School reveal 18 of the 20 smiling faces of the innocent boys and girls whose lives were so tragically cut short.

　　Witnesses say Lanza was going from room to room shooting people, after first killing the principal Dawn Hochsprung and the school psychologist Mary Sherlach execution-style when they confronted him in the hallway

　　Killer: Adam Lanza shot and murdered 27 people Friday, 20 of them schoolchildren