NEWS.com.au | Questions over why a man and his son died of stab wounds at Morphett Vale NEWS.com.au POLICE will investigate whether mental illness played a role in the deaths of a father and son who were both found with stab wounds yesterday. Ambulance crews were alerted to the Morphett Vale incident when an agency representative - believed to be a ... Two dead after Adelaide stabbing Two men dead after Adelaide stabbing Father and son dead in stabbings |