> he said please don t shoot or i won t shoot you. he said whites don t kill whites. reporter: what do you think about what was said? it hurts. it s sad. it s terrible. people have the right to just exist. reporter: the suspect police say could have caused far more carnage. pastor kevin nelson says a parishioner saw him earlier at their church door. he bangs on it and then he backs up with his had on the gun. whoever would have opened it would have possibly gotten shot and killed. reporter: his church began looking its doors after dylann roof massacred nine people in this church as they prayed. ken parking knows something about the hate that motivated dylan ruth, a navy veteran and without work and direction he joined the ku klux klan and