MILWAUKEE — A Milwaukee County judge sentenced Xavier Hughes, the driver accused of killing his friend in a car crash in West Allis, to three years in prison plus another three years of extended supervision. Hughes was driving a car that rolled over near 90th and National Ave. around 4 a.m. Sunday, April 30th. 22-year-old Thomas Olson was killed in the wreck, and several others were hurt. Hughes pleaded guilty to multiple charges in association with this case back in August. Monitor FOX6 News and FOX6Now.com for updates on this developing story. Related stories: