2 0 1 4 , ▁more ▁than ▁a ▁century ▁after ▁the ▁assass ination , ▁the ▁Italian ▁police ▁over he ard ▁a ▁t apped ▁phone ▁conversation ▁in ▁which ▁a ▁sib ling ▁claimed ▁that ▁Paolo ▁Pal azz otto ▁had ▁been ▁the ▁k iller ▁on ▁the ▁orders ▁of ▁Cas cio ▁Fer ro . ▁Pal azz otto ▁had ▁been ▁arrested ▁after ▁the ▁shooting , ▁but ▁had ▁been ▁released ▁for ▁lack ▁of ▁evidence . ▁ ▁Down fall ▁In ▁ 1 9 2 3 , ▁the ▁sub - p ref ect ▁of ▁Cor le one ▁war ned ▁the ▁Ministry ▁of ▁Inter ior ▁that ▁Cas cio ▁Fer ro ▁was ▁" one ▁of ▁the ▁worst ▁off enders , ▁quite ▁capable ▁of ▁comm itting ▁any ▁crime ." ▁In ▁May ▁ 1 9 2 5 , ▁he ▁was ▁arrested ▁as ▁the ▁inst ig ator ▁of ▁a ▁murder . ▁He ▁was ▁able ▁to ▁be ▁released ▁on ▁b ail , ▁as ▁usual . ▁However , ▁with ▁the ▁rise ▁of ▁F asc ism , ▁his ▁reputation ▁and ▁imm unity ▁was ▁decl ining . ▁ ▁In ▁May ▁ 1 9 2 6 , ▁Pref ect ▁Ces are ▁Mor i , ▁under ▁orders ▁from ▁F asc ist ▁leader ▁Ben ito ▁M uss ol ini ▁to ▁destroy ▁the ▁M af ia , ▁arrested ▁Cas cio ▁Fer ro ▁in ▁a ▁big ▁round - up ▁in ▁the ▁area ▁that ▁included ▁Cor le one ▁and ▁Bis ac qu ino . ▁More ▁than ▁ 1 5 0 ▁people ▁were ▁arrested . ▁Cas cio ▁Fer ro ' s ▁god son ▁asked ▁the ▁local ▁land