MMA fighter gets 12-year sentence for Hilo manslaughter Read More: http://www.hawaiinewsnow.com/story/19927378/mma-fighter-get-12-year-sentence-for-hilo-manslaughter

Waylen Carenio received a 12-year prison sentence for manslaughter and intimidating a witness. In December 2011, the 21-year-old got into a fight with 44-year-old Roy Williams outside a Hilo sports bar.

Williams struck his head on the pavement and died the next day.