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

Kathy Hochul's focus on "assault weapons" is puzzling, since the perpetrator easily could have killed the same number of ...

The Las Vegas police released documents and records describing the mental health breakdowns that the man who killed four ...

New York City’s deadliest shooting in 25 years – in a state with some of the toughest gun laws in the nation – is raising ...

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

Trivia time. Can you name some of Nevada’s military’s training bases during World War II? Hopefully you mentioned Naval Air ...

There were 23 shell casings and 13 bullet fragments recovered from the lobby of 345 Park Avenue and 24 spent shell casings on ...

The New York City Medical Examiner determined a cause and manner of death for the gunman who killed four people inside a ...

NYPD said the gunman purchased the fully-assembled AR 15-style rifle used in the shooting from his supervisor.

New York City police detectives searched a studio apartment in Las Vegas that belonged to the suspected gunman in Monday's ...

New York City detectives investigating this week's mass shooting were interviewing the attacker's associates in his home ...

NYPD Chief John Chell describes Midtown Manhattan office shooting as mayhem after gunman Shane Tamura killed four people, ...