Newly released body camera footage from Las Vegas police shows past encounters with Shane Tamura, the gunman in last month’s ...

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 ...

New details are emerging about the gunman who opened fire inside the NFL’s Midtown Manhattan headquarters last week, killing ...

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

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

The man who opened fire at a Midtown Manhattan office building last month, killing four people and injuring another before ...

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

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

The evidence documents Tamura's years-long struggle with mental health before he opened fire in a Midtown office building.

During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed ...