Gregory Henderson, Money Laundering, South Dakota 2025

⏱ 3 min read

Gregory Henderson, a 63-year-old Sioux Falls man, was sentenced to 5 years in federal prison for his role in a massive methamphetamine trafficking organization that laundered over $700,000 in drug proceeds. Henderson was found guilty of Conspiracy to Commit Money Laundering in December 2025, after a trial that revealed he had been moving money on behalf of the organization, led by Darrell Devorce, by sending drug proceeds via multiple electronic means, including CashApp. The organization trafficked approximately 200 pounds of methamphetamine from California to South Dakota over multiple years.

The investigation, which resulted in the convictions of 13 defendants in federal court, was a large-scale effort to take down the Devorce organization. Henderson’s role in the organization was to launder the money, concealing the fact that it was derived from the sale of narcotics and hiding the ownership of the funds. The case is a prime example of the ongoing efforts by federal law enforcement agents to follow the money trail in drug trafficking cases.

Henderson’s sentencing, which took place on March 16, 2026, was the latest development in the case. In addition to his 5-year prison sentence, Henderson was also ordered to pay a $100 special assessment to the Federal Crime Victims Fund and will serve 3 years of supervised release. The case was prosecuted by the U.S. Attorney’s Office, with U.S. Attorney Ron Parsons praising the efforts of federal law enforcement agents in the investigation.

The Devorce organization’s activities were highly organized, with Devorce coordinating loads of methamphetamine to be driven to South Dakota by multiple couriers. He also directed individuals from South Dakota to electronically send money to people in California associated with him. The organization’s activities were eventually dismantled, thanks to the efforts of federal law enforcement agents and the U.S. Attorney’s Office.

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