When Trayvon Martin, an unarmed black teenager, was gunned down in Florida in 2012, Quinten Baker and Stevon Statom knew it was only a matter of time before something similar happened in St. Louis. And they knew the uproar it would cause. "I feel like it was supposed to happen, because all of this stuff has been going on in this city for so long," said 19-year-old Baker, who grew up in St.