, ▁which ▁was ▁not ▁what ▁the ▁official ▁law ▁of ▁the ▁Kingdom ▁of ▁Italy ▁would ▁have ▁im posed , ▁but ▁people ▁did ▁not ▁stop ▁to ▁draw ▁too ▁fine ▁a ▁distinction . ▁ ▁Police ▁reports ▁described ▁Cas cio ▁Fer ro ▁as ▁not or iously ▁associated ▁with ▁the ▁" high " ▁M af ia , ▁leading ▁a ▁life ▁of ▁lux ury , ▁going ▁to ▁the ▁the ater , ▁c af és , ▁g amb ling ▁high ▁sums ▁at ▁the ▁Cir colo ▁dei ▁C iv ili ▁a ▁club ▁for ▁gentlemen , ▁reserved ▁for ▁those ▁with ▁pret ensions ▁to ▁education ▁and ▁el ite ▁status . ▁ ▁The ▁Pet ros ino ▁murder ▁ ▁Cas cio ▁Fer ro ▁is ▁considered ▁to ▁be ▁the ▁master mind ▁behind ▁the ▁murder ▁of ▁New ▁York ▁polic eman ▁and ▁head ▁of ▁the ▁Italian ▁Squad , ▁Joseph ▁Pet ros ino , ▁on ▁ 1 2 ▁March ▁ 1 9 0 9 . ▁He ▁was ▁shot ▁and ▁killed ▁in ▁Pia zza ▁Marina ▁in ▁Pal ermo ; ▁two ▁men ▁were ▁seen ▁running ▁from ▁the ▁crime ▁scene . ▁Pet ros ino ▁had ▁gone ▁to ▁Sic ily ▁to ▁gather ▁information ▁from ▁local ▁police ▁files ▁to ▁help ▁deport ▁Italian ▁gang sters ▁from ▁New ▁York ▁as ▁illegal ▁imm igr ants . ▁The ▁two ▁men ▁were ▁very ▁much ▁aware ▁of ▁the ▁danger ▁to ▁each ▁other ' s ▁surv ival ; ▁Pet ros ino ▁carried ▁a ▁note ▁describing ▁Cas cio ▁Fer ro ▁as ▁“ a ▁terrible ▁criminal ”, ▁while ▁Cas cio ▁Fer ro ▁had ▁a ▁photograph ▁of ▁the ▁police ▁officer . ▁ ▁Many ▁accounts