Federal prosecutors say a tax-avoidance pitch built around “sham trusts” grew into a sprawling operation that sheltered more than $1.5 billion in income—and left the public with an estimated loss above $200 million.
A grand jury in Dallas has charged four Texas residents in the alleged scheme: Duncan John MacDonald, Sarah Duren, Richard Ronald Cayce and Thomas Weickgenant.
The U.S. Attorney’s Office for the Northern District of Texas says the defendants marketed and sold a fraudulent trust structure that promised clients they could assign income to trusts, postpone taxes indefinitely and still keep control of the money and assets.
That was not a bargain-bin pitch. Prosecutors say the fees often exceeded $100,000 per client.
The indictment alleges some clients were encouraged to backdate their trusts and file amended returns seeking refunds for taxes they had already paid. Weickgenant, who allegedly prepared false returns for clients, is also accused of obstructing IRS audits by telling clients not to speak with agents and urging at least one person to resist a federal court order enforcing an IRS summons.
MacDonald and Duren, described by prosecutors as common-law spouses, allegedly used trusts and nominee accounts to conceal millions of dollars in fees and pay personal living expenses. Investigators say they also concealed MacDonald’s ownership of the business and lied to federal authorities.
Cayce, who allegedly owned the distributorship that licensed the tax shelter, is accused of collecting millions in fees and failing to report that income on his tax returns.
The indictment’s next allegation brings the alleged proceeds into vivid focus.
Prosecutors say MacDonald solicited $2 million from investors for what he claimed would be shares in a digital-trust venture. Instead, the indictment alleges, he used the money for luxury purchases—including a Rolls-Royce Ghost and the downpayment on a yacht.
N.D. Tex. indictment: four Texans allegedly sold a sham trust shelter that hid $1.5B+ of income ($200M+ tax loss) for six-figure fees and coached clients to backdate and stonewall the IRS. One allegedly spent investor money on a Rolls-Royce. Allegations. https://t.co/ey7dDUSafB
—FormerFedsGroup.Com
(@FormerFeds) October 15, 2026
The charges cover conspiracy to defraud the United States, aiding false returns, tax evasion, filing false returns, wire fraud, obstruction and transactions involving allegedly criminal proceeds.
The potential penalties are serious. The wire-fraud counts carry a maximum of 20 years in prison per count, while transactions with criminally derived property carry up to 10 years.
Several tax counts carry maximums of three or five years each.
This case is part of a wider federal push. The Justice Department says a six-week national surge brought actions against 76 defendants in tax cases involving an estimated $490 million in intended losses.
The initiative ran from early September into mid-October and included roughly 31 newly charged defendants. It combined the department’s Fraud Division with IRS and IRS Criminal Investigation teams around the country.
In North Texas, Theodore Henderson received a 57-month sentence and was ordered to repay more than $300,000 after admitting to false-return and bank-fraud conduct. Prosecutors said he stole refund-anticipation advances that belonged to his clients.
The same update identified a superseding indictment accusing another defendant of omitting about $1.5 million in allegedly misappropriated income, plus a separate guilty plea covering more than $437,000 in unpaid taxes. The mix of indictments, pleas and sentencing results shows the surge is moving cases through several stages rather than merely announcing investigations.
The Trump administration created the Justice Department’s National Fraud Enforcement Division this year and tied its work to President Trump’s Task Force to Eliminate Fraud, chaired by Vice President J.D. Vance.
The message is straightforward: sophisticated paperwork and expensive advice do not create a special class of immunity.
That enforcement principle matters for every honest American who pays what the law requires. When an alleged operation hides enormous amounts of income, the cost is not abstract.
It shifts the burden toward families and businesses that play by the rules.
At the same time, the constitutional rule remains equally important: an indictment is an accusation, not a conviction. The four defendants are presumed innocent unless prosecutors prove the charges beyond a reasonable doubt in court.
Now the evidence will face that test. If the allegations hold up, this was not clever tax planning. It was a high-priced promise that the rules applied to everyone else—and the Trump Justice Department is making clear that promise can end in a federal courtroom.
The post Four Texans Charged in Alleged $1.5 Billion ‘Sham Trust’ Scheme With a $200 Million Taxpayer Hit appeared first on 100PercentFedUp.com.
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