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

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

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

Wearing body armor and wielding an assault-style rifle, the alleged gunman burst into a Midtown Manhattan office building ...

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

Investigators are combing through evidence in the wake of New York City’s deadliest mass shooting since 2000, trying to figure out more about the gunman who unleashed an assault-style rifle in Midtown ...

A gunman blamed the NFL for a brain disease before killing 4 in Midtown, including an NYPD officer. What we know about his ...

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

Four innocent people were killed including a New York City police officer and a security guard after a gunman opened fire at ...

The man who shot four people dead with an assault-style rifle inside a Midtown Manhattan skyscraper was carrying a "suicide ...

A tragic shooting in Midtown Manhattan has claimed five lives, including the shooter, Shane Devon Tamura, a former football ...