During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed ...

A deadly Manhattan office shooting by former high school football player Shane Tamura has renewed attention on how head ...

The 27-year-old Nevada man left a note at the scene voicing anger that his mental illness may be linked to his having played ...

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

Wearing body armor and wielding an assault-style rifle, the alleged gunman burst into a Midtown Manhattan office building ...

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

"He comes with a machine gun. He's not going to know who I am. He's going to shoot, no matter what," Sebije Nelovic said in a ...

The gunman in the deadly Midtown Manhattan shooting, Shane Tamura, wrote about the brain disease CTE in a note obtained by ...

Gunman Shane Tamura had a ‘documented mental health history’ and ‘sprayed’ the Manhattan office building lobby with a ...

Shane Devon Tamura, the gunman who killed 4 people in a N.Y.C. office building shooting, was a former high school football ...

New York City's Office of Chief Medical Examiner told USA TODAY Sports it would examine the brain of NYC shooter Shane Tamura ...

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