some are outraged that the imf accused of rape, calling it a lynching. french laws bars the media from showing suspects in handcuffs before they're convicted. some say the perp walk goes against the presumption of innocence. >> it is done, probably, some would say, to humiliate the suspect. and they give off an aura of guilt. >> reporter: sometimes, the aura doesn't fit the alleged crime from the splieling somali pirate. to the jfk terror plot suspect. others bend down or cover up to conceal their identity. suspects use anything that's handy. and we do mean anything to hide from the cameras. during a perp walk. amy fisher, the island lolita used her own hair to keep her face out of sight. the perp walk is a perennial, always popping up even as cameramen pedaling backwards or