CruzJon Cruz , 31 , allegedly used Kik messaging app to meet underage boys . FBI say he persuaded them by sending expensive gift cards . Chat logs show him asking for pictures of feet , and nudes , from 'jock ' boys . Jon Cruz , who teaches at a Bronx school , posts pictures of himself as Liberace . Arrested and charged with multiple sex crimes on Friday .
Jon Cruz , 31 , allegedly used Kik messaging app to meet underage boys . FBI say he persuaded them by sending expensive gift cards . Chat logs show him asking for pictures of feet , and nudes , from 'jock ' boys . Cruz , who teaches at a Bronx school , posts pictures of himself as Liberace . Arrested and charged with multiple sex crimes on Friday .