James Joseph Williams worked at the Creighton University pathology lab . He was arrested in the deaths of four people close to the lab . Thomas Hunter 's father , Dr. William Hunter , is a faculty member in Creighton 's 12-person pathology department . A professor and his wife were killed in May . The family of two professors was killed in March 2008 along with their housekeeper .
James Joseph Williams worked at the Creighton University pathology lab . He was arrested in the deaths of four people close to the lab . A professor and his wife were killed in May . The family of two professors was killed in March 2008 along with their housekeeper .