Investigators are piecing together more details about how a former high school football player who blamed the game for his ...

The gunman in the deadly shooting at a New York City office tower had a background in casino surveillance and once held a ...

A gunman who killed four people inside a Manhattan office tower blamed his mental health problems on the National Football ...

Four people were killed on Monday when a man, identified by police as Shane Tamura, walked into the lobby of 345 Park Avenue ...

Las Vegas casino supervisor reportedly sold shooter the AR‑15 used in the NYC shooting. Authorities continue probing mental health and weapon purchase.

The gunman who opened fire in a New York City skyscraper, killing four people, including an off-duty cop, bought his $1,400 ...

The man who sold the gun to the shooter that targeted the NFL's headquarters has been identified. Shane Tamura, 27, attacked ...

The man who killed four and seriously injured another at the building that houses the NFL's offices bought the gun from a ...