A Watsonville man has been found guilty of murdering a teenager in 2005. (Then-18-years-old), wayne minten was gunned down as he rode his bicycle on watsonville’s palm avenue. manuel Dejesus rosas was charged with the murder in 2009, and, yesterday, a santa cruz county jury delivered a guilty verdict for all charges against him. In addition to the murder charge, rosas was convicted for attempted murder and gang enhancements. A sentencing hearing was scheduled for September.