LOS ANGELES (AP) — A convicted drug dealer was sentenced Tuesday in California to 11 years in prison in the beating death of a movie studio executive who had been having an affair with his wife. John Lenzie Creech, 45, was convicted in July of voluntary manslaughter in the killing of Gavin Smith, a 20th Century Fox distribution executive. Smith's body was found in a shallow desert grave two years after he was reported missing in 2012. A jury rejected first- and second-degree murder charges. Before sentencing, Los Angeles County Superior Court Judge Stephen A.