This October 2014 photo obtained by The Associated Press shows then-U.S. Drug Enforcement Administration Agents Jose Irizarry and George Zoumberos in a rooftop pool at a luxury hotel in Cartagena, Colombia, during a DEA assignment for "Operation White Wash." Irizarry long considered Zoumberos a brother but in his interviews with investigators accused his former partner of a list of crimes. (AP Photo)
FILE - This 2017 photo obtained by The Associated Press shows Jose Irizarry in Cartagena, Colombia. Irizarry, a former U.S. Drug Enforcement Administration agent serving a 12-year federal prison term for laundering money for the very Colombian drug cartels he was sworn to police, has maintained to AP in recent interviews that he was not a rogue agent and accountability is long overdue for the many others who joined him in a wild ride that mocked the DEA’s mission. (AP Photo/File)
FILE - This June 13, 2016 photo shows Drug Enforcement Administration agents in Florida. Thousands of secret law enforcement documents offer a never-before-seen window into a rape case and a culture of corruption among federal narcotics agents who parlayed the DEA’s shadowy money laundering operations into a worldwide pursuit of binge drinking and illicit sex. (Joe Burbank/Orlando Sentinel via AP, File)
This combination of 2012-2017 photos obtained from the U.S. Drug Enforcement Administration shows U.S. dollars, Colombian pesos, euros and Canadian dollars involved in the DEA's shadowy international money laundering investigations. An Associated Press investigation raises questions about the efficacy of this little-known law enforcement tool, which has been criticized for facilitating the flow of millions of dollars in cartel funds. (DEA via AP)