A police officer and at least four other people were shot and killed — and several others injured — by a crazed gunman who ...

A second note was found at his home in Las Vegas, investigators shared July 29. The news comes after another letter was found ...

A Blackstone employee who was on their way to the lobby of the building to pick up food on Monday evening fled to safety ...

The gunman, who said in a note he believed he had CTE, targeted skyscraper that houses the NFL's headquarters.

Shane Devon Tamura was the 27-year-old man living in Las Vegas who fatally shot at least four people in a mass shooting at ...

The degree of damage on the upper floor, where only one person was killed, shows how the sunglasses-sporting killer was spiraling out of control as his plan to get to the NFL offices inside 345 ...

A shooting at a Manhattan office building left five dead, including Blackstone executive Wesley LePatner and NYPD officer ...

The shooter, identified as Shane Devon Tamura, of Las Vegas, by the New York Police Department, also died via a ...

The 27-year-old Nevada man left a note at the scene voicing anger that his mental illness may be linked to his having played ...

Investigators found also found 800 rounds and a 357-caliber handgun in a BMW the shooter drove to the scene, the NYPD said.