NYPD said the gunman purchased the fully-assembled AR 15-style rifle used in the shooting from his supervisor.

An attorney representing the man who sold Shane Tamura a rifle used in a shooting spree that killed four people in Manhattan said the sale was legal. “Rick Ackley legally sold a firearm to the suspect ...

Sebije Nelovic is the one who got away — the cleaner who dodged death as the Park Ave. shooter opened fire on her but missed.

“CTE is linked to repetitive brain trauma and has a distinct pathology that can only be diagnosed at autopsy,” says Dr. Ross Zafonte, a principal investigator of the Football Players Health Study at ...

A man who killed four people at a Manhattan office building bought the rifle he used in the attack and the car he drove ...

Police have lined up four rows deep to pay respects to a fellow officer who was among the victims of a gunman's rampage at a Manhattan office tower.

A robotic dog was used to enter the Las Vegas home of the suspected New York gunman, who is accused of killing four people and himself in a shooting inside a Ma ...

New York’s medical examiner’s office said it will examine the shooter’s brain for CTE. Results may not be public for months.

Police said Etienne ducked behind the security desk for cover but as Tamura approached the elevators, he fatally shot the ...

NYPD Officer Didarul Islam, the cop gunned down in a Midtown Manhattan mass shooting inside a Park Ave. office building, was ...

Detectives searched the studio apartment of 27-year-old Shane Tamura, who shot five people on Monday before killing himself, ...

Gun-toting maniac Shane Tamura opened fire anyway, as Sebije Nelovic ran for her life, bullets zipping around her until she ...