Evan Tangeman
Summary
Evan Tangeman, 22, of Newport Beach, California, pleaded guilty on December 8, 2025 to RICO conspiracy for his role as a money launderer in the 'Social Engineering Enterprise,' a multi-state criminal organization that stole over $263 million in cryptocurrency between October 2023 and May 2025. He admitted to laundering at least $3.5 million in stolen proceeds and was sentenced on April 24, 2026 to 70 months in federal prison plus three years supervised release by U.S. District Judge Colleen Kollar-Kotelly in Washington, D.C. Tangeman was the ninth defendant to plead guilty in what prosecutors described as one of the largest cryptocurrency theft conspiracies ever prosecuted.
Connected Entities
1 entities · 10 linked investigationsTimeline(7 events)
2023-10-01
The Social Engineering Enterprise begins operations, formed from relationships on online gaming platforms, with Malone Lam identified as a primary organizer.
IRS Criminal Investigation press release2024-08-18
The enterprise executes its largest known theft: over 4,100 Bitcoin (approximately $263 million) stolen from a single victim in the District of Columbia via social engineering and remote desktop software.
IRS Criminal Investigation press release2024-09-01
Malone Lam and Jeandiel Serrano are arrested; Tangeman is alleged to have arranged destruction of digital devices following these arrests.
The Record from Recorded Future News2025-05-01
Social Engineering Enterprise operations cease; enterprise active period closes.
IRS Criminal Investigation press release2025-12-03
Nicholas Dellecave is arrested in Miami as part of a second superseding indictment adding three new defendants to the case.
IRS Criminal Investigation press release2025-12-08
Evan Tangeman pleads guilty to RICO conspiracy in U.S. District Court for the District of Columbia, becoming the ninth defendant to enter a guilty plea in the investigation. He admits to laundering at least $3.5 million.
DOJ / IRS Criminal Investigation2026-04-24
U.S. District Judge Colleen Kollar-Kotelly sentences Evan Tangeman to 70 months in federal prison plus three years of supervised release.
DOJ Press Release and IRS Criminal InvestigationDecision Log
- hash: DtnbqLV3uya2LLgDpsXKJGpkEiSU7C4M8QhwFavQxLXV
This investigation is cryptographically anchored to the Solana blockchain and source URLs are archived via the Internet Archive.
model: claude-sonnet-4-6
generated: 6/15/2026, 11:37:16 PM
last updated: 6/15/2026, 11:37:24 PM
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