U.S. JuryHears DopeTestimonyROiPhoeraftertown!withroads of SaI Trial of Manuel Chavarrez Sainz, Valley cattle buyer, on y charges of sale, concealment ^ and transportation of heroin is under way before a U.S. Dis-1 trict Court jury today.n Sainz, 60, of 1601 E. Sunland, is being tried before Judge Chase A. Clark.ffosA federal undercover agent of the U.S. Bureau of Narcotics, testified about purchase of 6 Vi ounces of heroin, upon which Sainz was arrested Nov. 16. Sainz was indicted on three counts, sales alleged being made Oct. 6, Oct. 20 and Nov. 16.Pol Robei was : prisoi spoke en Scsef0onl1ededhertimgartheHeentPol than teller he e: terdaA \When arrested by Phoenix police and Frank A. Sojat, federal narcotics agent in charge here, police described the Nov. 16|robb( haul of heroin as valued atiRoa $91,000. iStam