giuliani did not invent the practice of allowing the press to photograph interest, but, as a criminal law professor from loyola marymount university put it, mr. giuliani took that practice and made an art form out of it. and giuliani did not always make sure he had his facts right before doing so. wall street isn t used to the site of its best and brightest in handcuffs, being arrested or charged with insider trading. people like robert freeman, a partner at goldman sachs, timothy taber a former vice president at hubert peabody, richard freeman wicked in, also of that last guy, richard wegman reportedly crying because of how shaken he was by the arrest. mr. giuliani thought the humiliation of being perp walked would make these guys just come clean. the problem is that just a few months after arresting just two of the people he perp walked,