bogota colombia senate back law regulate transitional justice country peace deal marxist farc rebel include special tribunals try guerrilla leaders war crimes law approve late wednesday consider cornerstone agreement sign last year government farc know revolutionary arm force colombia measure still need approval low house congress likely vote early next week special court mete alternative sentence like landmine removal ex-guerrilla leaders convict war crimes peace deal convict serve time traditional jail law also apply members military civilians fund illegal group like paramilitaries congress end month approve law use court-approved fast-track mechanism reduce number require debate effort implement peace accord quickly possible move invigorate previously slow debate senate chamber nation top court rule week majority law include provision allow former rebel participate politics constitutional court make several modifications however provision agreement prohibit extradition former farc members rule say apply crimes occur deal say ex-rebels commit crimes demobilization would subject regular laws include possibility extradition sit well farc officially political party extradition prohibition stand final accord right benefit senior farc member ivan marquez tell journalists thursday make prohibition ineffectual constitute flagrant grave non-compliance deal agreement farc 10 guarantee seat congress 2026. group already announce slate candidates elections next year colombia 's senate approve peace tribunals ex-rebels