A terrified mum screamed 'what have you done?' to her son after he stabbed his dad 131 times before turning the blade on her.
Lee Tipping, 36, claimed he was acting in self defence when he knifed his dad Anthony Tipping in the chest and eyes.
He said he lost control of the knife when he turned the blade on his mum Patricia Livesey, stabbing her 153 times, LancsLive reported.
