Hamzah Khan 's decomposed body found in cot two years after his death . Amanda Hutton , 15 years , jailed for 43 for manslaughter and neglect . Police had contact with family as mother was domestic violence victim . Father 's neglect concerns from 2008 were not referred to social services . IPCC finds Hamzah 's death was not something police 'could have reasonably been expected to predict or prevent '
Hamzah Khan 's decomposed body found in cot two years after his death . Amanda Hutton , 43 , jailed for 15 years for manslaughter and neglect . Police had contact with family as mother was domestic violence victim . Father 's neglect concerns from 2008 were not referred to social services . IPCC finds Hamzah 's death was not something police 'could have reasonably been expected to predict or prevent '