OKLAHOMA CITY – The Southside Locos gang wasn’t letting prison walls slow down their business. A years-long federal investigation has brought 60 members and associates to justice for running a large-scale methamphetamine distribution network from inside Oklahoma state prisons. The operation, fueled by contraband cell phones, stretched across the state, funneling drugs from Mexico directly into Oklahoma’s streets.
The ringleader, Eduardo Rosales, 35, of Oklahoma City, has been sentenced to 30 years in federal prison – on top of a current 15-year state sentence. Federal prosecutors highlighted Rosales’s brazen disregard for the law, noting his continued criminal activity while already incarcerated. The court cited his leadership role, extensive criminal history, and the need for long-term incapacitation when handing down the sentence on December 15, 2022. Rosales used fellow inmates, street-level associates, and direct connections in Mexico to manage the entire operation.
The investigation, spearheaded by the FBI Oklahoma City Field Office, Oklahoma City Police Department, IRS-Criminal Investigation, ATF, and the Oklahoma Department of Corrections Office of Inspector General, revealed a sophisticated operation. Law enforcement utilized judicially authorized wiretaps on the contraband cell phones to track the gang’s movements. These phones weren’t used for family calls; they were command centers directing drug shipments, coordinating storage, and collecting dirty money. The operation extended to include directing couriers to store drugs and coordinate deliveries to buyers.
The bust netted a staggering haul: over 180 pounds of methamphetamine, roughly ten pounds of heroin, more than 200 grams of cocaine, and a cool $300,000 in cash. Beyond the drugs and money, investigators seized 69 firearms connected to the gang. Cooperation with the ODOC Office of Inspector General led to the recovery of 12 contraband cell phones and five additional weapons from within the prison system itself. Defendants were convicted on a range of charges including drug trafficking, conspiracy, possession with intent to distribute, using communication facilities for drug crimes, and being felons in unlawful possession of firearms. They also faced charges relating to maintaining drug-involved premises.
Assistant U.S. Attorneys Jason Harley, David McCrary, and Chelsie Pratt led the prosecution. This wasn’t a lone effort; the case was part of the Organized Crime Drug Enforcement Task Forces (OCDETF) program, a multi-agency initiative designed to dismantle major drug trafficking organizations. OCDETF focuses on intelligence-driven, prosecutor-led investigations targeting the highest levels of criminal activity.
The Southside Locos case serves as a stark reminder that prison walls are no longer an impenetrable barrier for organized crime. The gang’s ability to operate a large-scale drug trafficking ring from within Oklahoma’s correctional facilities demonstrates the urgent need for increased vigilance and improved security measures to prevent contraband from entering these institutions. The investigation is closed, but the fallout from this operation will ripple through Oklahoma’s criminal justice system for years to come.
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Key Facts
- Agency: ATF
- Category: Drug Trafficking|Organized Crime|Weapons
- Source: Official Press Release
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