(CBS News) The NYPD said police responded to a 911 call of an unconscious male at approximately 9:19 a.m. They said they found the 51-year-old unconscious and unresponsive, and that he was pronounced dead at the scene.

CBS New York reported that Shields, a financier, died of a suspected overdose. He asked his assistant to administer Narcan around 9 a.m. after he thought he overdosed on prescription pills, sources said, according to the station.