NYPD Investigating Joan Rivers' Death

The New York Police Department is investigating Joan Rivers' death, a police source confirmed to The Hollywood Reporter on Saturday.

The 81-year-old comedian passed away on Thursday after being taken off life support. 

The previous week, she had entered Yorkville Endoscopy for a routine procedure on her throat when she reportedly suffered cardiac arrest. She was admitted to Mount Sinai Hospital in Manhattan later that same day.

"Yes, NYPD is investigating," the police source told THR. "We investigate all such deaths, meaning 'not by natural causes.'  More