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

Shane Tamura, 27, who fatally shot four people in the building that houses the National Football League's headquarters Monday ...

A gunman who killed four people at a Manhattan office building bought the rifle from his supervisor at a Las Vegas casino, ...

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

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

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

Shane Tamura, the 27-year-old man who shot and killed four people inside a Midtown office building, didn’t show up for his ...

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 ...

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

Tamura was involuntarily held after being considered a danger to himself or others, according to a law-enforcement official.

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