After a gunman opened fire in a New York City office building and killed four people, experts share strategies for workplaces to implement to mitigate acts of violence.

Then officials say the suspect then got into the elevator and headed to the 33rd floor, the headquarters of Rudin Management.

Police have identified the gunman as Shane Tamura, a 27-year old former high school football player, who authorities say drove from his home in Las Vegas to Manhattan because he believed he had a ...

High school classmates and a coach remembered Shane Tamura as a talented running back. Recently, though, he was apparently ...

Investigators believe Shane Tamura, of Las Vegas, was trying to get to the NFL offices after shooting several people Monday ...

Midtown mass shooting victim Julia Hyman had made it into a fortified panic room at 345 Park Ave. when gunman Shane Tamura ...

The medical examiner confirmed that Shane Tamura died from a self-inflicted gunshot wound, but has not yet made a ...

The gunman who killed an NYPD officer and three other people in a Midtown building on Monday evening was carrying a note that ...

NEW YORK -- A 27-year-old man wearing body armor and carrying an M4 assault rifle shot and killed four people, including ...

When I look into you and dad’s eyes, all I see is disappointment,” Tamura wrote to his mother in the note. “I love you, Momma ...

New York City police detectives searched the Las Vegas studio apartment of the suspected gunman in Monday's mass shooting at ...