New York City detectives investigating this week's mass shooting were interviewing the attacker's associates in his home ...

No motive has been announced. A suicide note was found expressing grievances with the NFL and saying Tamura suffered from CTE ...

Shane Tamura killed four people at a Manhattan office building Monday, including Blackstone executive Wesley Lepatner and New York City police officer Didarul Islam. The head of the NYPD said ...

A shooting in a Manhattan skyscraper late on Monday that killed four people, including a New York City police officer, has ...

The attorney for the man who sold what would become the deadly weapon in a mass shooting in New York City earlier this week ...

Despite record seizures and restrictive laws, New York City has struggled to stem the tide of untraceable firearms.

Gov. Kathy Hochul called for advancing gun control legislation in Congress, where Republican opposition has repeatedly doomed ...

The gunman who opened fire in a New York City skyscraper, killing four people, including an off-duty cop, bought his $1,400 ...

As for security, badges and sign-in lists for visitors became standard fare in New York office buildings after the Sept. 11 ...

Questions emerge about the legality of a private gun sale between Shane Tamura and his supervisor Rick Ackley at Horseshoe Las Vegas after Tamura used the weapon in a deadly New York City shooting.

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