Two Twin Cities chiropractors will spend years in prison for separate multi-million dollar insurance fraud schemes.

The Minnesota Commerce Department announced Tuesday that Adam John Burke, 34, of Minneapolis, received a 90-month prison term and Preston Ellard Forthun, 40, of Bloomington, was sentenced to 60 months.

Both men were found guilty last year in separate federal trials — Burke of multiple counts of mail fraud and conspiracy and Forthun of multiple counts of mail and wire fraud and conspiracy. The state commerce Fraud Bureau, the FBI, Minneapolis and St. Paul police, the state patrol and Homeland Security all worked on the investigation.

“These chiropractors put personal greed above their professional duty,” said Jessica Looman commerce commissioner. “These sentences send a strong message that health insurance fraud is a serious crime and those who perpetrate it will be investigated and prosecuted.”

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‘Suspicious’ fire in Brooklyn Center destroys home’s garage, large Trump election sign The chiropractors defrauded insurers by using “runners” to solicit auto accident victims to get treated at their clinics. Forthun and Burke knew the “runners” were paying kickbacks to the patients they recruited.

The men routinely withheld payments to the “runners” until patients received a certain number of treatment sessions. The fraud resulted in millions billed to insurance companies.