Rapid City man sentenced to 15 years on 2nd degree manslaughter charges

A Rapid City man has been sentenced to 15 years in prison on second-degree manslaughter charges. 43-year-old Antoine Bissonette pleaded guilty to killing 44-year-old Andrew Bear Robe back in March of 2021. He pleaded guilty to second-degree manslaughter as part of a plea agreement to get the charges from murder to manslaughter. He claimed in his defense he was trying to protect himself.