old bailey judge starrs , 50 , was allowed to go free from court with just a suspended jail sentence in january after admitting his part in a two-and-a-half year con against his employer bt .
starrs , invented clamped cars , overtime hours and damage to home owners ' property during broadband installation .
judge nicholas cooke qc has now said the sentence was ` unlawful ' - and added starrs should have been sent to prison for his crimes .