Cleveland - Historical child murder

DI Mark Dimelow

DI Mark Dimelow, Cleveland Police

Detective Investigation of the Year

Cleveland: DI Mark Dimelow and Op Anthias Team


A team of detectives from the Cleveland and North Yorkshire Major Investigation Team have been nominated for a National Detectives Award following an investigation that saw a 71-year-old perpetrator sentenced to life imprisonment for a crime committed in the late 60s.

The investigation, which ran between March 2015 and December 2017, was a successful historic re-investigation into the death of a child in 1968.

During October 1968, a 19 month child died as a result of a fractured skull.  At the time, the Coroner passed an open verdict that the injuries were sustained from an accidental fall from the bed onto a hard floor at home.

In 2015, police were contacted by a family member following an image being posted on social media to say that they had witnessed a child being harmed.

Op Anthias was an extremely difficult murder enquiry, not least because of the delay of 47 years in starting the investigation; but also with the need to honestly evaluate and recognise investigational failings in the 1968 investigation, before ultimately overturning them.

DI Mark Dimelow said:  “This sense of achievement was magnified on this enquiry with such a historic crime seeing the offender being made to face up to his devastating actions.

“We feel honoured to be able to do the job that we do, with dedicated and talented colleagues and appreciative that our work is being recognised.”

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