▁the ▁professional ▁aspects ▁of ▁legal ▁representation ▁of ▁the ▁state ▁of ▁Israel ▁in ▁the ▁courts . ▁ ▁She ▁super vised ▁the ▁length y ▁investigation , ▁trial ▁and ▁event ual ▁conv iction ▁of ▁then ▁Sh as ▁Party ▁chairman ▁and ▁former ▁interior ▁minister ▁A ry eh ▁Der i . ▁She ▁represented ▁the ▁state ▁before ▁the ▁Supreme ▁Court ▁in ▁significant ▁constitution al , ▁administrative ▁and ▁criminal ▁law ▁cases . ▁For ▁example , ▁in ▁the ▁late ▁ 1 9 8 0 s , ▁ ▁she ▁head ed ▁the ▁struggle ▁in ▁the ▁Supreme ▁Court ▁that ▁led ▁to ▁the ▁b anning ▁of ▁the ▁far ▁right - wing ▁K ach ▁party ▁from ▁the ▁K ness et . ▁She ▁refused ▁to ▁represent ▁Y itz h ak ▁Rab in ' s ▁government ▁in ▁the ▁High ▁Court ▁when ▁a ▁pet ition ▁was ▁file d ▁against ▁its ▁decision ▁to ▁deport ▁ 4 1 5 ▁Ham as ▁members ▁to ▁Leb anon . ▁ ▁Be in isch ▁fought ▁for ▁her ▁professional ▁and ▁legal ▁views ▁on ▁controvers ial ▁issues , ▁such ▁as ▁the ▁K av ▁ 3 0 0 ▁affair ▁in ▁ 1 9 8 4 . ▁App oint ed ▁to ▁handle ▁the ▁case ▁by ▁then ▁att orney ▁general ▁Y itz h ak ▁Zam ir , ▁Be in isch , ▁together ▁with ▁two ▁other ▁pro sec utors , ▁fought ▁against ▁the ▁government ▁and ▁the ▁Shin ▁Bet ▁to ▁expose ▁lies , ▁resulting ▁in ▁rum ors ▁that ▁she ▁was ▁having ▁an ▁affair ▁with ▁one ▁of ▁the ▁Shin ▁Bet ▁agents ▁and ▁thre ats ▁against ▁her ▁life . ▁ ▁Supreme ▁Court ▁Justice