Prosecutors said the gunmen opened fire after spotting an alleged rival gang member on a street corner. Houston Rapper OMB Bloodbath Convicted In Federal Murder RetrialThe intended target survived the shooting. Federal prosecutors said the victim had no affiliation with either gang. To establish the racketeering charges, prosecutors relied on jail telephone calls, social media evidence and witness testimony. Nicks and Richards will be sentenced at a later date by U.S. District Judge George Hanks.