A note found in the gunman's wallet was critical of the NFL and mentioned CTE. The 27-year-old wrote, “Study my brain please.

NEW YORK ― Four people were killed, including an officer for the New York Police Department, after a man opened fire inside a ...

The man who killed four people with a semi-automatic rifle while rampaging through a Midtown Manhattan office tower carried a ...

Four people were killed, including an off-duty NYPD officer, and another man was critically injured in a skyscraper shooting ...

A gunman with mental health issues opened fire in a central Manhattan skyscraper on Monday, killing four people including a ...

Officials say a man with a rifle killed an off-duty New York City police officer and three other people before taking his own ...

Authorities say Shane Devon Tamura travelled across the country from Las Vegas to open fire inside the skyscraper.

Decades of threats have heightened security in New York City. But Monday’s attack in a Park Avenue office building shows the ...

A gunman armed with an assault-style rifle killed four people inside a Manhattan skyscraper that houses the headquarters of ...

New York City homicide detectives sought clues on Tuesday to what possessed a Las Vegas man to drive cross-country and storm ...

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

After a gunman opened fire in a New York City office building and killed four people, experts share strategies for workplaces ...