The frantic mom of mass shooter Shane Tamura had repeatedly called 911 on her mentally ill son in the years before he shot up ...

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

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 ...

Police have identified the man who they say entered a Midtown Manhattan office building wearing body armor and opened fire, ...

New York City police detectives searched a studio apartment in Las Vegas that belonged to the suspected gunman in Monday's ...

Las Vegas police release bodycam footage and 911 calls from Manhattan mass shooter Shane Tamura showing mental health episodes and arrests before the deadly shooting ...

The gunman, who said in a note he believed he had CTE, targeted skyscraper that houses the NFL's headquarters.

A lone gunman walked into a midtown Manhattan office building Monday and opened fire, killing four people, including an NYPD ...

The 27-year-old Nevada man opened fire at a New York City office building, killing at least four people and then himself.

The gunman in the deadly Midtown Manhattan shooting, Shane Tamura, wrote about the brain disease CTE in a note obtained by ...

The New York City gunman was identified as a 27-year-old who had roots in Southern California and played high school football ...

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