Here are the most serious offenders. This is not a list of all offenders jailed, but of those who have committed serious offences when Cambridgeshire Police have deemed it worthy to release their custody photographs to the public.
1. Lee Calder
Lee Calder, 31, of Peterborough Road in Whittlesey was jailed in July for 19 years custody, which will be split between hospital and prison, for abusing young girls. Photo: Other
2. Guy Delph
Guy Delph, 29, of Kemps Close, Downham Market, Norfolk, was also jailed for his parts in the crimes. He was sentenced in July to life in prison, with a minimum term of 12-and-a-half years before being considered for parole. Photo: Other
3. Kieran Burton
Kierton Burton, 28, of Malthouse Road, Downham Market, Norfolk was also jailed for his parts in the crimes. He received a 13 year sentence in July, of which he must serve a minimum of eight years in prison before being considered for parole. Photo: Other
4. Billy Black
Billy Black, 18, was sentenced in July to 20 months in prison for two counts of possession with intent to supply class A drugs – cocaine and heroin. Photo: Other