Hannah Bonser has been sentenced to life in prison with a minimum term of 22 years. She was found guilty at Sheffield Crown Court of killing 13-year-old Casey Kearney in February.
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.'