Federal authorities charged two Jacksonville brothers with allegedly operating a darknet narcotics vendor whose counterfeit pills were connected to at least 12 overdoses, including three deaths.
Summary
- U.S. prosecutors charged two Florida brothers with allegedly distributing nitazene-laced counterfeit pills through darknet markets.
- Investigators traced Bitcoin withdrawals from three darknet marketplaces toward accounts associated with Stanislav Chernyshov allegedly.
- Target wallets received approximately $220,000 and sent $230,000, according to the FBI affidavit reviewed publicly.
- BarbaraWhite shipments were linked to twelve overdoses, including three deaths, Chainalysis reported from records reviewed.
- Both defendants face at least twenty years imprisonment if convicted under federal law, prosecutors said.
Vladislav Chernyshov, 35, and Stanislav Chernyshov, 30, were arrested on Aug. 28 on charges of conspiring to distribute nitazenes. The U.S. Attorney’s Office for the Eastern District of Virginia announced the case on Sept. 2.
An FBI affidavit alleges that the brothers operated under the vendor name “BarbaraWhite.” Investigators used blockchain analysis alongside postal records, undercover purchases, surveillance and darknet marketplace data to identify the alleged operators.
FBI traced Bitcoin from three darknet markets
Investigators identified Bitcoin addresses allegedly used by BarbaraWhite to withdraw proceeds from Nemesis, Bohemia and Abacus. All three platforms operated as darknet marketplaces before being shut down or disappearing.
The wallet network received approximately $220,000 from darknet markets and sent around $230,000 in cryptocurrency, according to a Sept. 8 analysis by Chainalysis that cited the affidavit.
The total amount sent can exceed direct marketplace receipts because wallets can receive funds from other sources, transfer the same funds through several addresses or contain balances acquired before the period under review. The figures should not be treated as net profit or total drug-sale revenue.
Investigators allegedly linked the wallet activity to Stanislav by identifying transactions involving other wallets connected to his mobile payment account. Chainalysis said investigators used its Reactor software to reconstruct part of the transaction network.
The court record, rather than Chainalysis’s commercial description, forms the evidentiary basis for the prosecution. The criminal complaint remains an accusation, and neither brother has been convicted.
Crypto payments allegedly reached a chemical supplier
The traced wallets allegedly sent money to a postage provider, another drug vendor and a China-based chemical supplier. Approximately $7,210 reached the supplier, according to Chainalysis’s account of the affidavit.
Investigators allege that the supplier provided chemicals connected to the nitazenes sold by BarbaraWhite. The payment trail helped agents connect alleged drug procurement with marketplace sales and shipping activity.
Blockchain records alone do not identify the person controlling a wallet. Investigators must combine transaction patterns with exchange records, account information, communications, device evidence or other records before linking an address to an individual.
That combined approach has appeared in other narcotics prosecutions. In related coverage, six defendants received sentences after a Texas drug network laundered cryptocurrency proceeds from counterfeit pills sold through darknet markets.
Counterfeit pills were marketed as “fent free”
Prosecutors allege that BarbaraWhite sold counterfeit oxycodone pills containing several nitazenes. The identified substances included protonitazene, metonitazene, N-pyrrolidino etonitazene and N-pyrrolidino isotonitazene.
The pills carried markings designed to resemble pharmaceutical oxycodone. Some listings described them as “fent free,” but laboratory tests allegedly found nitazenes that can match or exceed fentanyl’s potency.
The investigation began after a fatal overdose in Arlington, Virginia. According to local reporting based on the affidavit, the victim died on Aug. 28, 2023, four days after receiving a parcel connected to a BarbaraWhite purchase.
Chainalysis said investigators associated BarbaraWhite shipments with at least 12 overdoses across the U.S., including three fatalities. Records from three marketplaces allegedly showed sales exceeding 95,000 counterfeit pills. Those figures are prosecutorial allegations derived from the investigation, not findings reached at trial.
The defendants face federal prosecution in Virginia
The brothers face a charge of conspiracy to distribute nitazenes. Prosecutors said each could receive a maximum penalty of at least 20 years in prison if convicted.
A federal judge would determine any sentence after considering the applicable statutes, U.S. Sentencing Guidelines and case-specific factors. The defendants retain the presumption of innocence.
The FBI, Drug Enforcement Administration, U.S. Postal Inspection Service and several local and regional offices participated in the investigation. Assistant U.S. Attorneys Heather Call and Catherine Rosenberg are prosecuting the case.
The matter is filed in the Eastern District of Virginia as case number 1:26-mj-336. The next procedural steps may include preliminary hearings, detention proceedings, indictment decisions and evidence disclosures. No trial date or plea agreement had been announced publicly at the time of reporting.
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