A man who repeatedly stabbed a Brisbane mother and knifed her teenage son when he tried to stop the attack is dead after slamming his car into a parked truck.
The man, believed to have once been in a relationship with the woman, went to her Forest Lake home about 3.30am on Monday and repeatedly stabbed her in the upper body.
The woman's 18-year-old son suffered multiple wounds to his arms and hands when he tried to stop the attack.
Police say two other children, both aged under 10, were home at the time.
The 46-year-old man then fled the home.
His body was found in the wreckage of a car that slammed into a parked truck at nearby Wacol just before 4am.
"We have identified the person who did the stabbing and that man has been involved in a fatal crash," Inspector Steve Flori has told The Courier-Mail.
The woman and her son were both taken to Princess Alexandra Hospital with serious injuries but they are not considered life-threatening.
