Forensic science
Gordon Park died in 2010 while serving a life sentence for the murder of his wife Carol, whose body was found in Coniston Water more than 20 years after she vanished.
The drone will undergo “fast-tracked” forensic examination in a bid to trace the perpetrators
Some 2,700 results were re-analysed.
“Simply put, we have everything we need from the tower.”
Twenty-one of the 33 cases being reviewed relate to rape and sexual assaults.