A senior NYC law enforcement source told NBC News that the shells had the words "deny," "defend" and "depose" on them.

The New York Police Department (NYPD) has released two new photos of the suspected gunman involved in the fatal shooting of ...

NYPD news conference after UnitedHealthcare CEO fatally shot New York law enforcement officials hold a news conference after ...

Police in Pennsylvania have taken a “person of interest” into custody in the fatal shooting of UnitedHealthcare CEO Brian ...