▁claim ▁that ▁Cas cio ▁Fer ro ▁personally ▁killed ▁Pet ros ino . ▁Leg end ▁has ▁it ▁that ▁Cas cio ▁Fer ro ▁exc used ▁himself ▁from ▁a ▁dinner ▁party ▁among ▁the ▁high ▁society ▁at ▁the ▁home ▁of ▁his ▁political ▁patron ▁De ▁M iche le ▁Ferr ant elli , ▁took ▁a ▁carriage ▁( that ▁of ▁his ▁host ▁according ▁to ▁some ), ▁and ▁drove ▁to ▁Pia zza ▁Marina ▁in ▁Pal ermo ' s ▁city ▁centre . ▁He ▁and ▁Pet ros ino ▁engaged ▁in ▁a ▁brief ▁conversation , ▁then ▁Cas cio ▁Fer ro ▁killed ▁Pet ros ino ▁and ▁returned ▁to ▁join ▁the ▁dinner ▁again . ▁Historical ▁reconst ru ctions ▁have ▁dismiss ed ▁this ▁version ▁and ▁cannot ▁locate ▁Cas cio ▁Fer ro ▁at ▁the ▁scene ▁of ▁the ▁crime . ▁ ▁News ▁of ▁the ▁murder ▁spread ▁fast ▁in ▁U . S . ▁newsp apers ▁and ▁a ▁sw ell ▁of ▁anti - Ital ian ▁sentiment ▁spread ▁across ▁New ▁York . ▁Cas cio ▁Fer ro ▁ple aded ▁his ▁innoc ence ▁and ▁provided ▁an ▁al ib i ▁for ▁the ▁entire ▁period ▁when ▁Pet ros ino ▁was ▁assass in ated . ▁He ▁stayed ▁in ▁the ▁house ▁of ▁De ▁M iche le ▁Ferr ant elli ▁in ▁Burg io . ▁However , ▁the ▁al ib i ▁provided ▁by ▁De ▁M iche le ▁Ferr ant elli ▁was ▁susp icious , ▁taking ▁into ▁account ▁the ▁relation ▁between ▁the ▁two . ▁Moreover , ▁while ▁in ▁j ail ▁after ▁his ▁arrest ▁and ▁life ▁sentence ▁in ▁ 1 9 3 0 , ▁Cas cio ▁Fer ro ▁apparently ▁claimed ▁that ▁he