The consequences extended beyond the stolen money. According to prosecutors’ account of the agreed statement of facts, Yaroch compromised multiple investigations involving criminal groups and nation-state adversaries, along with FBI sources and methods used in foreign intelligence collection and criminal investigations.
From Investigative Credentials to Personal Accounts
Yaroch worked on an FBI Boston investigative squad focused on an adversarial nation from 2017 through early 2025. He then worked in the bureau’s Counterintelligence and Espionage Division from February 2025 through July 31, 2026, with access to systems holding cryptocurrency credentials collected during investigations, prosecutors said.
An FBI affidavit filed in August described Yaroch telling colleagues that he searched FBI holdings, memorized wallet credentials and used them to transfer funds into his personal wallet.
After taking the cryptocurrency, Yaroch exchanged it for other cryptocurrencies and moved it through additional financial transactions to conceal its source and ownership, prosecutors said. Between Nov. 25, 2025, and Jan. 13, 2026, he transferred approximately $93,082 to one of his accounts, then moved funds between other accounts to pay debts, including credit cards, car payments and loans.
The affidavit says agents transferred approximately $925,426 from cryptocurrency accounts Yaroch controlled into U.S. government-controlled wallets during a July 31, 2026, search.
Yaroch is scheduled to be sentenced March 4, 2027, and faces up to 20 years in prison, according to the Justice Department.
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