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

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

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 ...

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

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

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.

Roger Goodell also gave a health update on the league employee who was seriously injured in the gun attack that killed four ...