SHEBOYGAN, Wis. (WHBL) - A Sheboygan man, who was among five people arrested in a major drug bust last year, has been sentenced to prison.  39 year old Anthony Krueger was involved in a drug operation, which was bringing in cocaine from Chicago for sale in the Sheboygan and Manitowoc areas.  He was arrested in February of last year following a 5-month investigation.  Krueger was sentenced recently by Judge Terrence Bourke to a year and a half in prison to be followed by 2 years extended supervision.