A Franklin Circuit judge has blocked the planned execution of Gregory Wilson next week, ruling there are contradictions between state's protocol for administering a lethal injection and Kentucky law.Wilson was scheduled to die by lethal injection September 16 for the 1987 kidnapping, rape and murder of Deborah Pooley in northern Kentucky.But Judge Phillip Shepherd ruled Friday that the state's procedure for executing an inmate by lethal injection allows only a three-drug cocktail, even though state law permits a one-drug option.The Courier-Journal reports that Shepherd also ruled that there are inadequate safeguards in place to protect mentally retarded inmates or those who are insane.