Prosecutors say the Treasury paid out more than $19 million in undeserved refunds.
MINNEAPOLIS, MN — A Minnesota man was charged in federal court with using false tax returns and related filings to seek more than $350 million in refunds from the IRS, a scheme prosecutors say led the U.S. Treasury to pay out more than $19 million between 2022 and 2023.
Caesar Munir Wilson of Prior Lake is accused of filing a false claim for a refund and helping drive a broader effort that included alleged money laundering and bank fraud. The indictment also describes Wilson as advising people linked to the “sovereign citizen” movement, whose followers often claim that many laws, including federal tax laws, do not apply to them. Federal authorities said Wilson was released after his initial court appearance under conditions on an unsecured bond.
Federal prosecutors said the alleged fraud centered on tax returns and documents that claimed enormous refunds without a lawful basis. The indictment says Wilson’s own returns falsely requested more than $90 million. Prosecutors also say he conspired in the filing of additional false tax returns that sought more than $210 million. Together, the filings described in the case add up to more than $350 million in claimed refunds, according to the U.S. attorney’s office.
The government said the Treasury did not pay out anything close to the total claimed, but still sent more than $19 million in refunds that prosecutors say were undeserved. Investigators allege Wilson then moved and spent the money in ways meant to benefit him and obscure where the funds came from. Among the purchases, prosecutors say, was a $2.6 million house in Prior Lake. Authorities also allege he invested some of the proceeds in cryptocurrency and other projects, along with using money for personal expenses.
The indictment charges Wilson with conspiracy to file false claims for tax refunds, filing a false claim for a tax refund, money laundering and bank fraud. The case covers conduct that prosecutors said took place from 2022 to 2023. Wilson made his initial appearance in U.S. District Court on Feb. 5 in response to the indictment, and the U.S. attorney’s office said he was released pending the case under conditions set by the court.
Prosecutors said the alleged scheme did not stop at filing forms. During the course of the conspiracy, Wilson “advised a group of sovereign citizens regarding trusts and taxes,” the U.S. attorney’s office said. Authorities said he also provided tax forms and documents for tax filings. Federal officials described sovereign citizen beliefs as a baseless view that a person can claim a “sovereign persona” not bound by laws like the federal income tax.
“Individuals who file false claims for tax refunds and who conspire with others to violate the laws of the Unites States must be held accountable for their criminal conduct,” U.S. Attorney Daniel N. Rosen said in a statement announcing the case. The investigation is being handled by IRS Criminal Investigation and the Treasury Inspector General for Tax Administration, the U.S. attorney’s office said. Assistant U.S. Attorneys Matthew D. Forbes and Matthew D. Evans are prosecuting the case.
The government’s announcement laid out a paper trail of claims and payouts, but left key questions unanswered, including how the false filings were prepared, how many returns prosecutors believe were involved, and how the refunds were processed before investigators moved in. The indictment is not evidence of guilt, and Wilson is presumed innocent unless and until proven guilty in court. Prosecutors have not publicly described any plea discussions, and they did not release details about a schedule for future hearings beyond noting the case remains pending.
The allegations arrive as federal authorities continue to warn about tax refund fraud schemes that use stolen identities, fabricated income and withholding figures, and false credits to generate large payments. In this case, prosecutors said the scope was extraordinary even though the Treasury paid out a fraction of the amount claimed. The government said Wilson used the money to buy high-value property and to fund investments, moves investigators often look at when building money laundering and bank fraud counts tied to an underlying financial crime.
The case now moves through the early stages in federal court, where prosecutors typically disclose evidence and financial records over time and defense attorneys can challenge the government’s claims. Wilson has been released under court-ordered conditions while the charges proceed. The next milestone will be upcoming court hearings in U.S. District Court as the parties address the indictment, evidence disclosure and the schedule toward trial or a possible plea resolution.
Author note: Last updated February 10, 2026.