A trove of new documents and 911 calls give insight into Shane Tamura's mental health before he shot and killed four people ...

Crazed gunman Shane Tamura, who shot dead four people at a Midtown Manhattan office building before turning the gun on ...

The 27-year-old Nevada man left a note at the scene voicing anger that his mental illness may be linked to his having played ...

A gunman who killed four people at a Manhattan office building bought the rifle from his supervisor at a Las Vegas casino, ...

A 911 call cited by CNN reveals the fear Shane Tamura's mother expressed about the safety of her son as well as herself ...

Police say Shane Tamura, the man who shot four people to death before ending his life on Monday, suffered from a ...

NFL Commissioner Roger Goodell told ESPN on Wednesday that the employee who was injured in the July 28 shooting at the league ...

The degree of damage on the upper floor, where only one person was killed, shows how the sunglasses-sporting killer was ...

New York City's Office of Chief Medical Examiner told USA TODAY Sports it would examine the brain of NYC shooter Shane Tamura.

Cops identified a man who sold the weapon to mass shooter Shane Tamura as his former supervisor in the Las Vegas area.

NFL commissioner Roger Goodell has offered an important update on the league employee who was shot in Monday's attack.