Norwegian mass killer shot dead 300 and injured 77 in gun rampage in 2011 . New book suggest his brutality was forged by relationship with his mother . She once complained that her unborn son kicked in womb to 'torment ' her . He slept in the same bed with 'very close bodily contact ' with his mother . Breivik bought mother a sex toy after she had broken up with a boyfriend . Author : 'He resented his mother . There 's an aspect of revenge ( in killings ) '
Norwegian mass killer shot dead 77 and injured 300 in gun rampage in 2011 . New book suggest his brutality was forged by relationship with his mother . She once complained that her unborn son kicked in womb to 'torment ' her . He slept in the same bed with 'very close bodily contact ' with his mother . Breivik bought mother a sex toy after she had broken up with a boyfriend . Author : 'He resented his mother . There 's an aspect of revenge ( in killings ) '