After a gunman opened fire in a New York City office building and killed four people, experts expressed some concerns ...

The suspect who has died has been identified by police as a 27-year-old man from Las Vegas called Shane Devon Tamura.

From the UnitedHealthcare CEO to the NFL office shooting, the Big Apple is turning into a magnet for out-of-state killers.

Shane Tamura, after killing four in NYC, claimed in a note that he suffered from CTE and blamed the NFL, with no confirmed ...

The gunman who killed four people at an office building in New York City on Monday evening left his home in Las Vegas, Nevada ...

Police have identified the man who they say entered a Midtown Manhattan office building wearing body armor and opened fire, ...

MIDTOWN, Manhattan (WABC) -- Investigators are working to piece together what led to the deadly mass shooting at a Manhattan office building that left four people dead and one injured as officials ...

The cleaner on the 33rd floor of 345 Park Ave. made a left turn down a corridor just as gunman Shane Tamura turned the ...

Study my brain please,” read a note left by the gunman accused of killing four people in a building that houses NFL’s ...

Investigators say the suspect, armed with an M4-style rifle, may have blamed the league for head trauma he believed caused ...

We are learning more about happenings across the country, from tsunami advisories across the West Coast to new details in the Reno shooting, and following the developments in the Manhattan shooting.

Mayor Eric Adams told MSNBC the gunman referenced CTE, a disease linked to head trauma, in a note before killing four people ...