Bellfield killed Amelie Delagrange in 2004 and Marsha McDonnell in 2003 after kidnapping and killing 13-year-old Milly Dowler in 2002.
He has been implicated in previous instances and attempted to kill Kate Sheedy, who was eighteen at the time.
He is one of the most well-known offenders in the UK; he is incarcerated for two full lives and will never be released.
When the 56-year-old appeared to be getting married in prison after being engaged to a female visitor two years prior, there was outrage.
At the high security HMP Frankland in County Durham, it was stated that the former wheelclimber and bouncer knelt down on one knee in front of the wardens.
Bellfield successfully contested the attempts to call off the wedding; rumour has it that she received up to £30,000 in legal aid to pursue the matter on the basis of human rights.The Ministry of Justice (MoJ) declared last year that it was resolved to amend the law and that there was no way to stop him.
It is understood that Bellfield subsequently amended his marriage application to one for a civil partnership.