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 ...

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 ...

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

Shane Tamura — who fatally shot four people at a Midtown East office building — said in a suicide note he believed he ...

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

Detectives found prescription medication for depression and epilepsy in the Las Vegas home of Midtown mass shooter Shane ...

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

A Nevada man recently traveled to New York City, entered a Manhattan building wearing body armor, carrying an M4 rifle, and ...

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