According to the United States Department of Justice, Bentson was accused of falsely advising clients that the federal income tax laws apply only "to individuals residing in the Virgin Islands, Guam, and Puerto Rico" or federal lands where the federal government has juristiction. Bentson was convicted of conspiracy to defraud the United States and willful failure to file personal federal income tax returns by a federal jury on December 13, 2004 in Tucson, Arizona. On May 18, 2005, he was sentenced to four years in prison and three years of "supervised release during which he is barred from giving tax advice." He was ordered to pay $1,129,937 to the Internal Revenue Service in restitution.
Bentson was incarcerated at the Federal Community Corrections facility at Phoenix, Arizona, and was released in May 2008.
- "Arizona man sentenced to four years in prison for tax fraud". Department of Justice news release. United States Department of Justice. 2005. Retrieved 2006-08-14.
- Prisoner #46800-008, Federal Bureau of Prisons, United States Department of Justice, at .
- "Jury finds 'tax man' guilty of fraud" by Kelly Crowley, Payson Roundup, December 28, 2004, retrieved August 4, 2006