
Federal agents in San Antonio say a decade-old dark-web pill mill is still shaping how they chase drug money online. The case centers on Alaa Mohammed Allawi, once nicknamed the “Fentanyl King,” whose network sold counterfeit oxycodone pills laced with fentanyl and used cryptocurrencies to mask profits. Investigators say the scheme, which began in 2015 and ultimately led to a 30-year federal sentence, became a training ground for the digital tactics they now bring to dark-web trafficking across the country.
How Agents Followed the Crypto Trail
According to the DEA, San Antonio investigators mapped out a web of dark-net sales and cryptocurrency payments that traced back to purchases of fentanyl and industrial-sized pill presses on AlphaBay in 2015. The agency says Allawi accepted seven different cryptocurrencies, including Bitcoin and Ethereum, then laundered the proceeds through sham businesses and third parties. Miguel Madrigal, who led the original probe and now serves as DEA San Antonio special agent in charge, helped steer a multi-agency effort that linked anonymous online orders to real-world labs and shipping routes.
Sentencing, Seizures, and the Money Judgment
As outlined by the U.S. Attorney’s Office in a 2019 press release, Allawi pleaded guilty on June 21, 2019, and was later sentenced to 30 years in federal prison. A $14.32 million money judgment was entered against him. The court also ordered forfeiture of his San Antonio residence valued at about $270,000, roughly $28,000 in cash, more than $21,000 in cryptocurrency, jewelry worth over $31,000, four vehicles that included a 2013 Maserati Gran Turismo, and his stake in a California "DRNK coffee + tea" franchise.
Local Raids and the Pill Mill's Footprint
Local reporting shows the counterfeit pills first started turning up near the University of Texas at San Antonio in late 2015. From there, wiretaps and search warrants took investigators farther afield, eventually pointing to labs and stash houses in the Houston area and in Fort Bend County. KSAT reported that federal teams seized commercial pill presses, kilograms of fentanyl and other controlled substances, multiple firearms, and evidence tying shipments to buyers across the country.
Why the Case Still Matters
"We were able to unravel a huge infrastructure of fentanyl distributors who were using cryptocurrencies," Madrigal told the DEA in its account of the investigation. The agency presents the San Antonio probe as an early template for tracing digital money flows that traffickers now lean on to obscure proceeds and prop up violent supply chains nationwide.
Legal Fallout and Enforcement Lessons
Prosecutors say the Allawi case highlights both the reach of dark-web drug dealers and the limits of illicit crypto once investigators obtain exchange and conversion records. Per the U.S. Attorney’s Office, several co-defendants also pleaded guilty, and authorities continue to apply lessons from the San Antonio operation to current enforcement and forfeiture efforts.









