Newly released police reports and body camera footage are shedding light on the troubled path that led a shooter on a ...

A background check on Shane Tamura had not been been completed before he bought the assault rifle he used to kill four people ...

"Before Park Ave. Shooting," says the headline over a New York Times story published this week, "Nevada Police Had Gunman ...

Police videos, 911 calls, and documents are revealing new details about the man who opened fire in a New York City office ...