Hannah Bonser, a former psychiatric patient who stabbed to death a teenager to death, has been jailed. She is starting 22 years behind bars - after a jury decided she knew exactly what she was doing on Valentine's Day this year.
Bonser has still never said why she carried out the attack. Casey's family have spoken of their devastating loss. Chris Kiddey reports.
Investigation underway into Hannah Bonser's contact with a range of services prior to her random killing of schoolgirl Casey Kearney
Hannah Bonser has been jailed for life after she was found guilty of murdering schoolgirl Casey Kearney at Sheffield Crown Court
Jury hears claims a woman accused of stabbing a teenager in a Doncaster park told a charity worker that 'she'd done something silly.'