A former Severna Park insurance agent has been sentenced to more than 10 years in federal prison for perpetrating a $535 million insurance fraud scheme.

A federal judge on June 22 also ordered William Raymond Miller, 37, most recently of Howard County, to pay back $22 million in ill-gotten premiums.

Miller has already forfeited several pieces of real estate - including multiple residences in Maryland and Florida - a sports bar in Clarksville and several vehicles and pieces of computer equipment, prosecutors said.

Miller, who lived in Severna Park until about 2004, pleaded guilty on Dec. 8, 2008, in U.S. District Court in...