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 ...

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

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

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 ...

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 ...

Five people—including the suspected perpetrator Devon Tamura and NYPD officer Didarul Islam—were left dead at an office ...

A New York City police officer killed during a shooting at a Manhattan office tower is being laid to rest. NEW YORK (AP) — A ...

Everytown for Gun Safety’s Nick Suplina joins ABC News’ Linsey Davis to unpack what the Manhattan shooting tells us about the ...

James Andrew McGann is the suspect in the Devil's Den State Park double homicide of two married hikers in Arkansas. That's ...