CNN Anderson Cooper 360 June 10, 2014 01:22:00
With bullets, and we see it repeatedly across this country. >> reporter: joseph wilcox was shopping at walmart. police say he had a concealed weapon and tried to confront a gunman. he was shot and killed. his friend was with him and says he believed wilcox prevented the killers from targeting other victims. >> i wanted to tell him, dont do this. come with me. i also felt that hes possibly going to be saving some lives and it all happened so quick. i think before i could get words out to him i st...
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