Sydney Mimer, 77, died on March 26 at HMP Littlehey, where he served an 18 -year prison sentence.
In mid -200,000, the imitator carried out attacks against a girl from seven to nine at that time in a direction that had a poplar and in a vehicle he owned.
The abuse came to light in 2016 when the girl’s confederant what had happened to her mother.
When he was imprisoned, Det with Neil Golding described Mimer as a “predatory pedophile.”
Hey, also said that Mimer suspended could have carried out other crimes.
“We are appealing to anyone who has attacked Sydney Mimer to present and speak with the police,” said Golding.
Mimer denied the charges when his trial opened, then in the middle of his trial, he declared himself guilty of two positions to violate a child under 13, a position of sexual activity with a child under 13 years and two activities in sex.
The Ombudsman of Prisons and Probation is investigating his death in the prison of Cambridgeshire.