Death Goes to School (1953) Police Inspector Campbell (Gordon Jackson) investigates the death of a school teacher in the grounds of the school. He establishes she was murdered and there are many suspects; jealous colleagues, a married man she had been having an affair with among others.
Night of the Prowler (1962) The director of a successful motor racing company is shot dead. His fellow directors fear for their lives as they were all involved in a trial where their evidence sent a past employee down. Detective Inspector Cameron (John Horsley) must find the killer before he strikes again.