NEW : Alaa Abd el - Fattah tells CNN that military rulers must hold trials . A judge releases him pending further investigation . El - Fattah is banned from driving . In June , he founded and moderated `` Tweet Nadwa , '' a discussion based on the rules of Twitter conversations in which attendees raised political questions using only 140 characters . He had a son while imprisoned .
NEW : Alaa Abd el - Fattah tells CNN that military rulers must hold trials . A judge releases him pending further investigation . El - Fattah is banned from driving . He had a son while imprisoned .