Z-Cars
Z-Cars or Z Cars is a British television drama series centred on the work of mobile uniformed police in the fictional town of Newtown, based on Kirkby, Merseyside. Produced by the BBC, it debuted in January 1962 and ran until September 1978.

A woman is found dead. The police get a description of the man responsible, then his name, Gleeson - the Crown's principal witness for a similar murder eight years ago.