▁Ak bar ▁Gan ji ▁referred ▁to ▁perpet rat ors ▁with ▁code ▁names ▁such ▁as ▁" Ex cell ency ▁Red ▁Gar ment ed " ▁and ▁their ▁" Ex cell encies ▁Gray " ▁and ▁the ▁" Master ▁Key ". ▁ ▁In ▁December ▁ 2 0 0 0 , ▁Ak bar ▁Gan ji ▁announced ▁the ▁" Master ▁Key " ▁to ▁the ▁chain ▁mur ders ▁was ▁former ▁Int elligence ▁Minister ▁H oj j at oles lam ▁Ali ▁Fal lah ian . ▁He ▁" also ▁den ounced ▁by ▁name ▁some ▁senior ▁cler ics , ▁including ▁Ay atol lah ▁Moh amm ad ▁Ta qi ▁Mes bah - Y az di ▁for ▁having ▁encourag ed ▁or ▁issued ▁fat was , ▁or ▁religious ▁orders ▁for ▁the ▁assass in ations ." ▁A ▁number ▁of ▁government ▁officials , ▁including ▁Most af a ▁T aj za de h , ▁the ▁political ▁deput y ▁of ▁the ▁Ministry ▁of ▁State , ▁em ph atically ▁rejected ▁this ▁view . ▁ ▁" Am ong ▁the ▁prominent ▁Islam ic ▁Republic ▁figures ▁accused ▁by ▁human ▁rights ▁advoc ates ▁of ▁master m inding ▁the ▁chain ▁mur ders ▁were ▁Most af a ▁Pour ▁Moh amm adi ▁and ▁G hol am - H os sein ▁Moh sen i - E je ' i , ▁now ▁serving ▁as ▁President ▁Mah m oud ▁A hm ad ine j ad ' s ▁Inter ior ▁and ▁Int elligence ▁minister s , ▁respectively ." ▁ ▁Ret ali ation ▁against ▁investigation ▁On ▁ 1 2 ▁March ▁ 2 0 0 0 , ▁S ae ed ▁H aj jar ian