Larry Dean Harmon, the operator of Helix, was sentenced to three years in prison for laundering over $300 million in Bitcoin, primarily for darknet drug markets.
Trial and Sentencing
A federal court in Washington, D.C., sentenced Larry Dean Harmon, who operated Helix, to 36 months in prison. In addition to the prison term, he will have three years of supervised release, pay $311 million in cash, and surrender seized cryptocurrencies, real estate, and monetary assets valued at over $400 million.
Money Laundering Through Helix
Larry Harmon used Helix to launder Bitcoin, primarily for online drug dealers on the darknet markets. He processed at least 354,468 Bitcoin, valued at $311,145,854, receiving a portion of the transactions as his commissions. Harmon introduced an API and customized Helix's features, enabling darknet markets to integrate Helix into their Bitcoin withdrawal systems.
Investigation and Law Enforcement Cooperation
The investigation into Harmon's case was conducted by IRS Cyber Crime unit agents and the FBI Washington field office, supported by the Attorney General’s Ministry of Belize and the Belize Police Department, coordinated through the U.S. Embassy Belmopan. The Financial Crimes Enforcement Network, which previously fined Harmon $60 million, was also involved.
The sentencing of Larry Dean Harmon resulted from international law enforcement cooperation and revealed the scale of Helix's use for Bitcoin laundering for online drug markets.
