Husband charged with wife's fatal stabbing at Bible study.

Robert Castillo has been charged with second-degree intentional murder for fatally stabbing his wife, Corrina Woodhull, during a Bible study in St. Paul. Witnesses reported that Castillo whispered something to Woodhull before stabbing her around 20 times. Castillo has a history of violent crimes, including assault and gun possession. He faces up to 40 years in prison if convicted.