Conversation so far:
Why were the police criticized in Peter Sutcliffe's case??
West Yorkshire Police were criticised for being inadequately prepared for an investigation on this scale.
What did the West Yorkshire Police investigate in regards to Peter Sutcliffe?
The Yorkshire Police investigated the Yorkshire Ripper.
Did another police department take over the Yorkshire Police's  Yorkshire Ripper case?
How long did it take for the police to catch Peter Sutcliffe?
Sutcliffe began his assaults in 1969, and was not apprehended by the authorities until 1981.

Question: Is the anything else interesting about the police department?
Self-contained rewrite: Is there anything else interesting about the Yorkshire Police department in the Peter Sutcliffe case besides the preparation of the yorkshire ripper case and the apprehension?