(CNN) — Investigators are combing through evidence in the wake of New York City’s deadliest mass shooting since 2000, trying ...

By Rachel Clarke from reporting by Dakin Andone, Taylor Galgano, Lauren Mascarenhas, John Miller, Mark Morales, Sharif Paget, ...

New York City Police Chief John Chell joins "CUOMO" to talk about the events of what happened on the ground after Shane ...

A rambling note found on his body suggested he had a grievance against the NFL over an unsubstantiated claim that he suffered from chronic traumatic encephalopathy.

NEW YORK CITY - A gunman charged into a prominent Midtown Manhattan skyscraper during rush hour and fatally shot at least four people, including a New York city police officer, before killing himself, ...

The Manhattan office building shooting victims include NYPD Officer Didarul Islam, Blackstone executive Wesley LePatner and ...

Manhattan high-rise killer says he had an important message. These days, even mass murder has become politicized.

( NewsNation) — Police are questioning an associate who helped a gunman obtain rifle parts used in New York City’s shooting ...

The injured NFL employee in the New York City shooting has been identified as Craig Clementi, per reports. Here's the latest ...

Officials said the gunman fatally shot himself after his attack, which set off a chaotic scene that rippled out into the ...

Bloomberg News Now is a comprehensive audio report of today's top stories. Hear the latest news, updated throughout the day, covering global business stories in just a few minutes.

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