Police have identified the man who they say entered a Midtown Manhattan office building wearing body armor and opened fire, ...

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

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

Police are investigating a reported active shooter at a Midtown Manhattan high-rise. Here’s what we know about the suspect ...

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

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 ...

Shane Devon Tamura was the 27-year-old man living in Las Vegas who fatally shot at least four people in a mass shooting at ...

Investigators found the note in the wallet of 27-year-old shooter Shane Tamura who police said opened fire inside of 345 Park ...

A football interview from Shane Tamura's playing days has resurfaced online following his shooting spree in Manhattan.

One theory is that Tamura went dark on social media or cut ties with certain people. His behavior back then may have been a sign of the decline in mental health that culminated in Monday’s shooting, ...

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