DETROIT – A massive federal mail theft and fraud operation that drained more than $63 million from taxpayers and victims has officially collapsed, with the last of four defendants now pleading guilty in U.S. District Court.
Federal prosecutors confirmed Wednesday that all four people charged in the scheme have admitted their roles in what authorities call one of the largest mail-based check fraud conspiracies ever prosecuted in Southeast Michigan.
The case includes two U.S. Postal Service employees who were caught stealing checks directly out of the mail, and two men who ran online black markets selling those stolen checks to criminals nationwide.
Four defendants, one massive operation
The four people who have now pleaded guilty are:
Jaiswan Williams, 32, of Rochester Hills
Daquan Foreman, 32, of Eastpointe
Vanessa Hargrove, 40, of Detroit
Crystal Jenkins, 32, of Detroit
All four pleaded guilty to conspiracy to aid and abet bank fraud and wire fraud. Williams also pleaded guilty to money laundering and admitted responsibility for $1.5 million in fraudulent pandemic unemployment insurance claims submitted between May 2020 and September 2021.
Hargrove and Jenkins were postal employees who abused their federal positions to divert and steal checks, including a high volume of U.S. Treasury tax refund checks. Williams and Foreman were the digital middlemen, running the online marketplaces that turned those stolen checks into cash.
How the scheme worked
According to federal court records, Hargrove and Jenkins stole checks directly from the U.S. mail and handed them off to Williams and Foreman in exchange for payments.
Williams and Foreman then sold the checks through Telegram Messenger, using underground channels that openly advertised stolen government and private checks.
One Telegram channel, called “Whole Foods Slipsss,” was used to market high-dollar checks. Another, called “Uber Eats Slips,” focused on smaller amounts. In the fraud world, “slips” is street slang for stolen checks.
Buyers paid electronically off-platform and then attempted to cash the checks using various fraudulent methods, turning the U.S. postal system into a nationwide crime pipeline.
Serious federal prison time coming
Each defendant faces up to 30 years in federal prison for the conspiracy charge. Williams faces an additional 20 years for money laundering.
Sentencing dates have already been set:
Daquan Foreman – March 3, 2026
Vanessa Hargrove – March 3, 2026
Jaiswan Williams – April 14, 2026
Crystal Jenkins – May 27, 2026
All will be sentenced by U.S. District Judge Judith E. Levy in Detroit.
A federal betrayal
This case is especially serious because it involved federal employees entrusted with handling Americans’ mail, including tax refunds and government checks. Instead of delivering them, they sold them to criminals who used Telegram and other digital tools to drain millions.
The investigation was led by the U.S. Postal Service Office of Inspector General, with help from the U.S. Postal Inspection Service, IRS Criminal Investigation, Treasury Inspector General for Tax Administration, and the Department of Labor Office of Inspector General.
Prosecutors say the guilty pleas now close the book on a sprawling fraud ring that exploited the mail system during and after the COVID-19 pandemic when government checks were flowing at historic levels.
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