▁an ▁ar ena ▁in ▁which ▁new ▁and ▁different ▁rules ▁applied : ▁those ▁of ▁trans par ency . R anel agh ▁( 1 9 8 6 ) ▁pp . ▁ 6 1 1 – 6 1 2 . ▁ ▁In ▁late ▁ 1 9 7 2 , ▁N ixon ▁had ▁appointed ▁Hel ms ▁as ▁Amb assador ▁to ▁Iran . ▁During ▁his ▁confirm ation ▁hear ings ▁before ▁the ▁Senate ▁Foreign ▁Rel ations ▁Committee ▁in ▁February , ▁ 1 9 7 3 , ▁Hel ms ▁was ▁question ed ▁concerning ▁the ▁C IA ' s ▁earlier ▁role ▁in ▁Chile . ▁Because ▁these ▁past ▁operations ▁were ▁then ▁still ▁effectively ▁a ▁state ▁secret , ▁and ▁because ▁the ▁Senate ▁hear ings ▁were ▁public ▁events , ▁Hel ms , ▁following ▁past ▁Cong r essional ▁understand ings ▁with ▁the ▁C IA , ▁in ▁effect , ▁denied ▁that ▁the ▁C IA ▁had , ▁in ▁ 1 9 7 0 , ▁a ided ▁the ▁Chile an ▁oppon ents ▁of ▁President - elect ▁All ende . Pr ados ▁( 2 0 0 9 ) ▁p . ▁ 2 9 0 . ▁ ▁After ▁N ixon ' s ▁ 1 9 7 4 ▁res ignation , ▁information ▁un cover ed ▁in ▁ 1 9 7 5 ▁by ▁the ▁Church ▁Committee ▁hear ings ▁showed ▁that ▁Hel ms ' s ▁February ▁ 1 9 7 3 ▁statements ▁were ▁clearly ▁in ▁error . ▁He ▁had ▁mis led ▁Congress . ▁Hel ms ▁was ▁pro sec uted ▁in ▁ 1 9 7 7 . ▁Later ▁that ▁year , ▁Hel ms ▁was