Authorities said both men traveled from out of state, targeted corporations and penned manifestos about their alleged crimes.

No motive has been announced. A suicide note was found expressing grievances with the NFL and saying Tamura suffered from CTE ...

Investigators are examining why the gunman who killed four people before taking his own life at a New York City office tower ...

NYC gunman Shane Tamura is seen on video talking about his high school football career in California after a game in ...

The gunman who killed four people, including a New York City police officer, during a shooting Monday inside a Manhattan ...

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

The suspect was identified as Shane Tamura, of Nevada, two people briefed on the investigation told the AP. Sources said he ...

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

The New York City Police Department sent detectives to Las Vegas to work with the Bureau of Alcohol, Tobacco and Firearms to ...

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

Gunman Shane Tamura fired nearly 50 shots Monday during his rampage on a Park Avenue skyscraper, where he killed an NYPD ...

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