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

Police are retracing Tamura's movements from Nevada to New York after a Midtown Manhattan shooting that left four people dead ...

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

The gunman suspected of targeting the National Football League headquarters in New York, killing four, was a former football ...

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 ...

Once a promising athlete, the 27-year-old faded from public view—until he showed up at 345 Park Avenue, gun in hand.

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

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

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.

The New York City Medical Examiner determined a cause and manner of death for the gunman who killed four people inside a midtown Manhattan office tower before turning the gun on himself. Shane Tamura ...