Man found guilty of 2006 slaying

A Worcester man has been found guilty of raping and killing a mother of five whose partially clothed body was found near railroad tracks in 2006. Edwin Mazariego, 31, was convicted of first-degree murder and aggravated rape by a Worcester Superior Court jury after about five hours of deliberation on Friday. Prosecutors said DNA evidence tied the defendant to the death of Maxine Libby, 41.