The first day of Prosper's sentencing hearing heard he "wanted to cause the biggest massacre in the 21st Century".

gun-loving mom Nancy Lanza knew “she was losing him” and that “he was getting worse.” A drinking buddy of Lanza’s told the Daily News that her son Adam had long been troubled and rarely ...

At some point before he went to the school, investigators believe Adam Lanza, 20, killed his mother, Nancy Lanza. He grabbed three guns from the house -- a semi-automatic AR-15 assault rifle made ...

But the guns used in the Sandy Hook massacre were legally purchased by Lanza’s mother, and she and Adam lived in a state with some of the strictest gun laws in the country. And the Bushmaster ...

Politicians in Washington are pushing to curb violent video games after a Daily News report revealed Newtown killer Adam Lanza‘s lust for slaughter jumped from his TV screen to real life.

A psychiatrist who at one time treated Sandy Hook elementary school shooter Adam Lanza surrendered his medical license months before the massacre after allegations of misconduct surfaced ...

Police interrogated Ryan Lanza - the older brother of Sandy Hook Elementary School shooter Adam Lanza - for hours after the massacre in Connecticut, according to a new book by New York Daily News ...