Thomas Hunter 's worked at the KETV pathology lab . He was arrested in the deaths of four people tied to the school . A professor and his wife were killed in March 2008 . Roger Brumback was a professor in the pathology and neurology departments at Creighton and announced his retirement shortly before he was killed . The son of four professors was killed in May along with their housekeeper .
Thomas Hunter 's worked at the KETV pathology lab . He was arrested in the deaths of four people tied to the school . A professor and his wife were killed in March 2008 . The son of four professors was killed in May along with their housekeeper .