Agencies missed chances to help a woman with a history of mental health problems who said she was going to harm someone before stabbing a 13-year-old girl to death.
Hannah Bonser was jailed for at least 22 years for murdering Casey Kearney in Doncaster, South Yorkshire, on Valentine's Day. Casey was going to a friend's house when Bonser – a stranger with a personality disorder – stabbed her with a kitchen knife.
Bonser, 26, had been in contact with agencies since 1993 when her GP raised concerns she was being neglected by her parents, an independent report said.
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In January, she was offered crisis accommodation after telling mental health services she needed to be "locked up". She was later sent home.