Adam, who killed Nancy Lanza ... Her relationship with her ex-husband, Peter Lanza, was strained. “She didn’t talk about him a lot, but I knew they didn’t get along,” the friend said.

A spokesman for the family said Monday that Peter Lanza claimed the remains of Adam Lanza. He says there were private arrangements over the weekend, but won't elaborate on what those arrangements ...

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 ...