Corridors of guilt

"Superintendent Kenworthy's twelfth appearance involves nasty goings-on in some rather high places. A government department which is not what it seems is involved with some eminent ex-coppers who left the force to avoid a corruption enquiry. Are they now making a bid for a new life in the security business, or for something much bigger?"
"Retired Scotland Yard Inspector Simon Kenworthy agrees to investigate an obscure government agency suspected of fomenting riots that result in deaths. Along with two young civil servants, Kenworthy becomes embroiled in a series of hairy events."@en
"A Government department which is not what it seems is involved with some eminent ex-coppers who left the force to avoid a corruption enquiry."@en
"Asked to speak at a conference on the topic of riot control, Inspector Kenworthy of Scotland Yard grows utterly perplexed when an obscure government agency is linked to a crime involving a gang of football hooligans."@en