The man who opened fire at a Midtown Manhattan office building last month, killing four people and injuring another before ...

Could the 27-year-old have been stopped before his rampage in Midtown Manhattan last week? Just-released video of key moments ...

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

Shane Devon Tamura, who shot five people in NYC before taking his own life, had multiple run-ins with Las Vegas police, ...

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

The weapon allegedly used in the shooting at a New York City office building was made by Palmetto State Armory, a West ...

New York City’s all-time record low shootings and gun violence milestone revealed this week is no accident. The NYPD and city ...

Workers returned to 345 Park Ave., on Monday​ under the watchful eyes of NYPD officers and a surplus of security after the ...

New York City has some of the toughest gun laws in the nation. But Monday’s mass shooting showed their limits, security ...

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

In the immediate hours after at least four people were fatally shot, including an off-duty police officer, after a man ...

Could the 27-year-old have been stopped before his rampage in Midtown Manhattan last week? Just-released video of key moments ...