Federal investigators in 2015 opened a probe into Jeffrey Epstein and a dozen associates, targeting alleged money laundering, drug trafficking, and the procurement of Eastern European prostitutes for high-profile clients, according to five sources familiar with the case. This investigation, stemming from a broader organized crime probe, was conducted by a secretive DEA intelligence unit and a transnational task force. Bloomberg News Senior Investigative Reporter Jason Leopold discussed these developments on Bloomberg Businessweek Daily.

The probe's focus on money laundering and drug trafficking underscores the DEA's long-standing interest in Epstein's financial networks, which had previously drawn scrutiny from other agencies. While the specific outcomes of this 2015 investigation remain unclear, the allegations echo the broader criminal patterns Epstein was later charged with in New York, suggesting a persistent pattern of illicit activity that evaded earlier detection. The involvement of a specialized task force highlights the complexity and international scope of the alleged operations.

The revelations, detailed in Bloomberg's reporting, add another layer to Epstein's criminal legacy, potentially impacting ongoing civil litigation and reputational damage to associated entities. The case illustrates the challenges authorities faced in dismantling Epstein's network, even years before his arrest in 2019. These findings emphasize the need for continued scrutiny of financial flows and international criminal cooperation in similar cases.