▁pro sec uted ▁cases ▁involving ▁g amb ling , ▁organized ▁crime , ▁and ▁murder . ▁ ▁Camp aign ▁for ▁P ly mouth ▁County ▁district ▁att orney ▁( 1 9 5 8 ) ▁▁ ▁In ▁ 1 9 5 8 , ▁Mars land ▁res igned ▁from ▁the ▁att orney ▁gener als ' ▁office ▁and ▁entered ▁private ▁practice . ▁He ▁attempted ▁to ▁run ▁for ▁his ▁first ▁elected ▁office ▁as ▁P ly mouth ▁County ▁district ▁att orney , ▁challeng ing ▁inc umb ent ▁John ▁Whe at ley . ▁However , ▁he ▁fell ▁short ▁in ▁the ▁Republican ▁primary , ▁losing ▁with ▁ 8 , 4 6 3 ▁votes ▁to ▁ 1 3 , 5 6 9 ▁votes . ▁Whe at ley ▁went ▁on ▁to ▁win ▁re - e lection ▁uno pp osed . ▁ ▁Deput y ▁Corporation ▁Coun sel ▁in ▁Hon ol ulu ▁( 1 9 6 7 ▁- ▁ 1 9 7 9 ) ▁▁ ▁Mars land ▁left ▁Boston ▁following ▁his ▁divor ce ▁and ▁moved ▁back ▁to ▁Hon ol ulu ▁in ▁ 1 9 6 7 . ▁His ▁first ▁job ▁in ▁Hawai i ▁was ▁as ▁a ▁deput y ▁corpor ation ▁coun sel , ▁handling ▁civil ▁lit ig ation ▁for ▁the ▁city ▁of ▁Hon ol ulu . ▁His ▁work ▁involved ▁comp liance ▁with ▁civil ▁rights ▁law , ▁purs uing ▁civil ▁actions ▁on ▁beh alf ▁of ▁the ▁city , ▁and ▁def ending ▁police ▁officers ▁accused ▁of ▁brut ality . ▁During ▁this ▁period ▁of ▁his ▁career , ▁he ▁developed ▁a ▁good ▁rapport ▁with ▁the ▁Hon ol ulu ▁Police ▁Department