Peter Lanza said Adam was 13 when a psychiatrist diagnosed him with Asperger's syndrome, a form of autism not associated with violence.

Peter Lanza had not seen Adam for two years before the shootings. "Nancy Lanza was always trying to give Adam a good day, and she didn’t think enough about giving him a good life,'' Solomon said.

In his first public comments since the massacre at Sandy Hook Elementary School, Peter Lanza does not fully explain why he thinks his son Adam gunned down 20 children, six educators and his own mot… ...

"With hindsight, I know Adam would have killed me in a heartbeat, if he'd had the chance. I don't question that for a minute," Peter Lanza tells the New Yorker in a profile published Sunday.

Adam Lanza’s dad says the boy would have killed him “in a heartbeat” and wishes his psycho mass murderer son had never been born. In a shocking new interview, Peter Lanza dubbed his gun ...

The father of Sandy Hook Elementary School shooter Adam Lanza said his son would have killed him if he’d had the opportunity.

An earlier version of this article incorrectly reported that Nancy Lanza, the mother of gunman Adam Lanza, was a kindergarten teacher at Sandy Hook Elementary School in Newtown, Conn. That ...

Peter Lanza was apparently unaware that his son was behind the school massacre and his ex-wife had been killed, the newspaper reported.

Nancy Lanza had no income at the time the marriage was legally dissolved, in September 2009. Her ex-husband, Peter Lanza, earned an annual salary of nearly $445,000 as an executive at General ...

Adam Lanza was extraordinarily shy and repulsed by human contact, and Nancy Lanza shuffled him through various schools and educational programs, to varying success.

Peter Lanza, father of the man who killed 26 at Sandy Hook Elementary in Connecticut, wishes his son, Adam, had never been born.

After the mother of a 6-year-old girl killed at Sandy Hook met with shooter Adam Lanza’s father a year ago, she explained, according to CBS’s Norah O’Donnell, that she “believes that Peter ...