Crime | George Zimmerman Zimmerman Bro: Twitter Tirade a 'Mistake' Robert Zimmerman says his racially charged comments not helpful By Mark Russell Posted Mar 28, 2013 8:15 AM CDT Copied Robert Zimmerman Jr., center, brother of George Zimmerman leaves the Seminole County Criminal Justice Center after a bond hearing, June 29, 2012, in Sanford, Fla. (AP Photo/John Raoux) George Zimmerman's brother is apologizing for his racially charged Twitter rant earlier in the week, saying it was wrong and probably bad for his brother's case, reports Reuters. Robert Zimmerman posted pictures comparing the teens who shot a baby in a stroller last week to Trayvon Martin, tweeting comments like, "Lib media shld ask if what these2 black teens did 2 a woman&baby is the reason ppl think blacks mightB risky." "I made a mistake," said Robert Zimmerman Jr. on CNN's Piers Morgan Live. "It unfortunately may not have helped George." Read These Next South Park episode on Trump may be a real 'mess' for him. We knew Letterman would pipe up about Colbert eventually. Journal pulls a controversial paper on arsenic after 15 years. Google exposes man's butt, is ordered to pay him $12.5K. Report an error