LAS VEGAS -- The gunman who killed four people before taking his own life in a midtown Manhattan office building that houses the NFL's headquarters had for years sought medical help for frequent, ...

When a bitter gunman stormed a Manhattan office tower last week and killed four people including an NYPD officer, wannabe ...

During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed ...

Officer Didarul Islam, 36, who was guarding the building on a paid security job when he was killed, had served as a police ...

On a steamy Monday evening, no one inside the Manhattan office building noticed the dark BMW pull up outside. The driver ...

Didarul Islam, a 36-year-old NYPD officer, was off duty and working a security job when he was fatally shot by a gunman who ...

Mourners packed a New York mosque to honor a Bangladesh-born police officer who was killed at an office building this week.

"He comes with a machine gun. He's not going to know who I am. He's going to shoot, no matter what," Sebije Nelovic said in a ...

Social media users have baselessly theorized that Shane Devon Tamura wasn't targeting NFL headquarters but Wesley LePatner, a ...

Wesley LePatner, 43, was among the four people killed by a gunman who stormed the Park Avenue building where she worked on ...

Roughly 15,000 mourners gathered for the funeral of NYPD Officer Didarul Islam, who was killed in an office building shooting ...