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

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

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

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

New York City investigators believe a co-worker of the Las Vegas man who killed four, including a police officer, provided a ...

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

Shane Tamura, a 27-year-old former high school football player from Las Vegas with a documented mental health history, was ...

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

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

The 27-year-old Nevada man opened fire at a New York City office building, killing at least four people and then himself.

A gunman opened fire inside a building in New York City on Monday evening, killing four people and injuring a fifth.

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