David Rivers retired as a Detective Sergeant in the Homicide Bureau of the Miami Dade County Police Department after over 27 years of service. As a lead investigator and supervisor, he assisted in the investigation of several hundred homicides, suicides, accidental and other death investigation. On April 11, 1986 he supervised the crime scene portion of the investigation of the largest shootout in the history, to date, of the F.B.I. He and several of the involved agents have given presentations on this incidents for 35 years as of 2021.
In 1988 he was assigned as Supervisor of the “Cold Case Squad” which was responsible for the continuing investigation of information received on over 1,800 open homicides dating back to 1951. He has taught and consulted on cases in the United States, Canada, Holland and the United Kingdom.
He is currently an instructor and member of the Advisory Board of the Legal Liability and Risk Management Institute (LLRMI); serve as ad hoc expert witness in civil cases involving fatal use of force and wrongful arrest. He has been involved in instructing in law enforcement officers for 40 years beginning in the Basic Academy in 1981.