Legendary broadcaster and journalist Bob Costas joined NewsNation's "CUOMO" Tuesday to discuss how social media impacts the ...

A shooting Monday at an office building in New York City that is home to the Blackstone investment firm and the NFL left four ...

Five people—including the suspected perpetrator Devon Tamura and NYPD officer Didarul Islam—were left dead at an office ...

The 27-year-old man who shot and killed four people at a Midtown office building on Monday carried a note in his pocket, ...

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

Four people were killed on Monday when a man, identified by police as Shane Tamura, walked into the lobby of 345 Park Avenue ...

Two teams NYPD detectives headed to Las Vegas Tuesday, to execute search warrants at Shane Tamura's home and at a gun store ...

Police say a gunman who killed four people in a Manhattan skyscraper before taking his own life claimed to have a brain ...

Terrifying scenes in Midtown Manhattan showed office workers running for their lives with their hands in the air. The ...

Shane Tamura, after killing four in NYC, claimed in a note that he suffered from CTE and blamed the NFL, with no confirmed ...

The mayor of New York says Shane Devon Tamura may have been targeting the headquarters of the NFL when he opened fire at a ...

The gunman who killed four people in a midtown Manhattan office building left a suicide note indicating that he was targeting ...