In over 30 years of stand-up comedy, Killer Beaz has delivered his brand of Southern humor to audiences across the nation. But there’s one audience which is off limits.“I’ve been threatened to within an inch of my life about trying any new material out on my family,” Killer Beaz told the Standard on Tuesday. “They’re sick of hearing it.”Audiences, however, have yet to grow tired of Killer Beaz and his down-home stories that drip with wit.