Operation Pisces; Louis Diaz, explores the double life of Louis Diaz, a DEA undercover agent in 1986 who posed as a money launderer in the agency's largest covert effort targeting Columbian cocaine dealers and their profits.

After two years undercover with the violent Mongols motorcycle gang, an ATF agent sends dozens of them to prison, but he pays a price.

In a covert operation known as "Pizza Connection II" FBI agent Ed Robb leads a double life, going undercover to bring down an international drug smuggling ring.

Undercover: Double Lives- Operation Brooks Range follows Special Agent Lucinda Schroeder, the first female undercover agent with the U.S. Fish and Wildlife Service, as she infiltrates a northern Alaskan wilderness to expose big game animal poaching.

Heidi Landgraf - Operation Green Ice, explores the double life of Heidi Landgraf, a rookie DEA agent who in 1990 went undercover for two years as a money launderer in the agency's most successful sting operation targeting the Cali drug Cartel.

This episode of Undercover: Double Life follows Detective Matt Browning as he goes deep inside Arizona's most violent skinhead organization; helping to solve two high profile murders and putting the gang's leaders behind bars.