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.

Police have identified the man who they say entered a Midtown Manhattan office building wearing body armor and opened fire, killing four people with a high-powered rifle, as Shane Devon Tamura.The 27-year-old recently lived in Las Vegas,

Shane Tamura, the Park Ave. gunman who killed an NYPD officer and three others before taking his own life, left behind a suicide note saying he suffered from CTE, a brain injury often linked to playing football, police sources said Tuesday.

Browns rookie quarterback Shedeur Sanders got the attention of fellow Cleveland QB Kenny Pickett over the way he ran with the football. Blue Jays outfielder George Springer was struck in the head by a 96 mph pitch in the ninth inning and exited the game vs. the Orioles.

The assault rifle used in mass shooter Shane Tamura’s deadly rampage at a NYC skyscraper was assembled piece by piece – with the critical part purchased by his boss, according to officials and