▁form ▁of ▁public ▁protest s , ▁and ▁ad verse ▁comments ▁by ▁the ▁county ▁sh er iff , ▁by ▁a ▁number ▁of ▁newspaper ▁column ists , ▁and ▁editor ial ▁page ▁writers . ▁Car r ▁invited ▁Jerry ▁Brown , ▁then ▁the ▁California ▁Att orney ▁General , ▁to ▁conduct ▁an ▁independent ▁assess ment ▁of ▁the ▁evidence . ▁Brown ▁accepted , ▁and ▁his ▁office ▁comm enced ▁an ▁investigation , ▁later ▁re le asing ▁its ▁results . ▁It ▁determined ▁there ▁was ▁evidence ▁that ▁a ▁crime ▁had ▁occurred , ▁but ▁there ▁was ▁also ▁ins u fficient ▁evidence ▁to ▁identify ▁those ▁responsible . ▁The ▁investigation ▁noted ▁the ▁physical ▁descri ptions ▁of ▁the ▁attack ers ▁varied ▁so ▁widely ▁that ▁they ▁could ▁not ▁be ▁accur ately ▁identified . ▁The ▁victim ▁was ▁character ized ▁as ▁having ▁no ▁memory ▁of ▁the ▁incident ▁after ▁her ▁arrival ▁at ▁the ▁party . ▁The ▁report ▁concluded ▁that ▁these ▁factors ▁made ▁proof ▁beyond ▁a ▁reasonable ▁doubt , ▁as ▁required ▁for ▁a ▁criminal ▁trial , ▁impossible . ▁The ▁report ▁further ▁indicated ▁that ▁w ides p read ▁into xic ation ▁among ▁the ▁party ' s ▁at ten de es ▁ham per ed ▁the ▁accuracy ▁and ▁reli ability ▁of ▁their ▁mem ories ▁of ▁the ▁event . ▁As ▁a ▁result , ▁Car r ' s ▁office ▁announced ▁that ▁no ▁charges ▁would ▁be ▁file d , ▁and ▁the ▁criminal ▁case ▁was ▁closed . ▁ ▁ABC ▁News ▁ 2 0 / 2 0 ▁episode ▁An ▁ABC ▁News ▁ 2 0 / 2 0 ▁episode ▁a ired ▁on ▁June ▁ 5 , ▁ 2 0 0