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 ...

Shane Tamura, the Park Ave. gunman who killed an NYPD officer and three others before taking his own life, left behind a ...

Shane Tamura, 27, had a documented history of mental health problems and carried a handwritten note in his wallet when he ...

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

Shane Tamura, 27, killed an NYPD officer and three other people on Monday evening when he stormed the Midtown skyscraper that ...

What to know about NYC gunman's football connection, which he mentioned in a note left behind after a deadly shooting where ...

The alleged gunman was identified as 27-year-old Shane Tamura, of Nevada. Police said the motive for the shooting remains ...

Shane Tamura, 27, is the suspect alleged to have shot and killed four victims while wounding an NFL employee. Tamura then ...

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

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