Peter Lanza had not seen his son Adam for two years before the day Adam walked into Sandy Hook Elementary School in Newtown, Conn., and killed 20 schoolchildren and six adults. Since that morning, ...

A mediator who worked with Adam Lanza's parents during their divorce in 2009 says his mother said she didn't like to leave him alone and that his parents went out of their way to accommodate him.

Newtown killer Adam Lanza and his mother kept their home stocked with a massive cache of guns, knives, swords and ammunition — a startling array of weapons described in newly released documents that ...

Two high school students in Florida allegedly tried to murder a classmate, with authorities saying that they believe the plan was linked to one of the suspects’ fascination with Sandy Hook shooter ...

State officials have released a long-awaited report on last December's Newtown Elementary School shooting, which concludes that the 20-year-old Adam Lanza acted alone when he fatally shot his mother ...

The case of Adam Lanza remains one of the most devastating school shootings in U.S. history. The events at Sandy Hook ...