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

The gunman who killed four people, including an NYPD officer, inside a Manhattan office building Monday evening left a note ...

Four people were killed and a fifth was injured in a mass shooting at a Midtown Manhattan office building on Monday.

Family and friends gathered at Central Synagogue to mourn Wesley LePatner, one of four victims killed in Manhattan office ...

Shane Tamura killed four people at a Manhattan office building Monday, including Blackstone executive Wesley Lepatner and New ...

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

Four people were killed, including an off-duty New York City police officer, when a gunman opened fire in an office tower ...

A lone gunman walked into a midtown Manhattan office building Monday and opened fire, killing four people, including an NYPD ...

New York City is mourning NYPD Officer Didarul Islam and three other people killed in Monday's shooting inside an office ...

The funeral will be held Thursday for the police officer who was one of four people killed in Monday's mass shooting at a ...

The New York police officer killed in a mass shooting in a Manhattan skyscraper on Monday was an immigrant who left behind a ...