Robert Mazur: Intelligence was my Heroin

Robert Mazur is one of the greatest undercover agents in the history of American law enforcement.  He infiltrated, first, the Medellin drug cartel of Pablo Escobar; and then, the Cali Cartel.  
The problem?
He would not give up.  Surrounded by mobsters, drug traffickers, and corrupt officials, Mazur kept going. 
On Crimewaves - the inside story of one of the biggest takedowns of drug dealers and their bankers ever.