ing ▁the ▁constitution ality ▁of ▁his ▁first - deg ree ▁murder ▁conv iction ▁with ▁the ▁Ut ah ▁Supreme ▁Court . ▁His ▁att orney ▁argued ▁that ▁Par s ons ▁had ▁already ▁been ▁conv icted ▁of ▁another ▁charge ▁for ▁the ▁crime , ▁making ▁his ▁murder ▁conv iction ▁a ▁viol ation ▁of ▁double ▁je op ard y . ▁On ▁October ▁ 1 6 , ▁ 1 9 8 9 , ▁the ▁court ▁un anim ously ▁u ph eld ▁the ▁conv iction ▁and ▁rejected ▁his ▁appeal ▁on ▁the ▁grounds ▁that ▁Par s ons ▁should ▁have ▁raised ▁that ▁ob jection ▁before ▁he ▁wa ived ▁his ▁right ▁to ▁a ▁trial ▁with ▁his ▁guilty ▁ple a . ▁On ▁March ▁ 5 , ▁ 1 9 9 0 , ▁District ▁Judge ▁J . ▁Philip ▁E ves ▁rejected ▁Par s ons ' ▁compla int ▁that ▁he ▁was ▁denied ▁his ▁right ▁to ▁legal ▁coun sel ▁while ▁in ▁prison ▁and ▁set ▁his ▁execution ▁date ▁for ▁April ▁ 3 0 , ▁ 1 9 9 0 . ▁A ▁new ▁team ▁of ▁att or ne ys , ▁which ▁included ▁Gregory ▁Sand ers ▁and ▁Ron ald ▁Y eng ich ▁of ▁the ▁Rock y ▁Mountain ▁Def ense ▁Fund , ▁took ▁up ▁Par s ons ' ▁appeal ▁that ▁he ▁had ▁in effect ive ▁coun sel ▁during ▁his ▁trial . ▁On ▁January ▁ 1 2 , ▁ 1 9 9 4 , ▁the ▁Ut ah ▁Supreme ▁Court ▁rejected ▁Par s ons ' ▁pet ition ▁for ▁a ▁writ ▁of ▁habe as ▁cor pus . ▁ ▁On ▁July ▁ 6 , ▁