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

A New York City office building where a gunman killed four people then himself has reopened a week after the deadly shootings ...

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

Aland Etienne leaves behind two school-aged children, including a young son who celebrated his seventh birthday just days ...

The NFL released a statement Wednesday expressing gratitude for a flood of support it received after its headquarters at a ...

Roger Goodell condemned the senseless violence at NFL headquarters where a gunman killed four people, including NYPD officer ...

Roger Goodell sent a letter to all NFL employees after the league office was targeted by a gunman in a mass shooting on ...

A fifth shooting victim -- an NFL employee, according to Commissioner Roger Goodell -- was injured and taken to the hospital ...

Twelve years after moving to the United States from Bangladesh, Didarul Islam sought to join the ranks of the nation's ...

The NFL released a statement about the mass shooting at its NYC headquarters Monday night, which left four dead, including a police officer.

Shane Tamura, the Park Ave. gunman who killed an NYPD officer and three others before taking his own life, left behind a ...

The gunman left behind a suicide note in which he claimed he had chronic traumatic encephalopathy (CTE) — the brain disease linked to contact sports.