(CBS NEWS) – Former Trump campaign chairman Paul Manafort has been sentenced to 47 months in federal prison for tax and bank fraud, a significantly shorter sentence than prosecutors had sought.

U.S. District Judge T.S. Ellis handed down the sentence in federal court in Virginia Thursday afternoon.

Ellis said Manafort committed “undeniably serious” crimes and expressed surprise that he did not “express regret for engaging in wrongful conduct.”

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Former Trump campaign manager Paul Manafort arrives at the E. Barrett Prettyman U.S. Courthouse for a hearing on June 15, 2018 in Washington, DC. (Photo by Mark Wilson/Getty Images)