George Zimmerman As Trayvon's killer poses at gun show, what hope of law reform? In Depth Vigilante's latest stunt comes as Idaho passes law allowing students to carry weapons on campus In Depth Zimmerman murder trial: the case fuelling US race debate In Depth Trial of Florida 'vigilante' accused of killing Trayvon Martin opens with expletives and bad joke By The Week Staff Published 26 June 13 In Depth