tion hearing in the superior court, a series of significant events occurred which led to his present confinement.
Those events were described at the revocation hearing by Cass, a federal treasury department narcotics agent, as well as by Walker. The former testified that Walker had twice sold him what he represented to be heroin. The first sale was made late in February, but what he understood would be and what had been sold as heroin was in fact a white non-narcotic powder; the second sale was on March 9,1967. At that time Cass, upon payment of $40 to Walker, received two semi-transparent glassine envelopes, each of which contained a small amount (80-90 milligrams) of white powder which, when “field tested” shortly after delivery, proved to contain heroin. The results of that test, although not conclusive, were later confirmed after analysis of the powder by a government chemist. Although the chemist did not testify and was not available for cross-examination, his report, over objection, was admitted into evidence and marked as an exhibit.
While Walker denied selling any heroin, he agreed that he sold Cass some “bad stuff” which he identified as the contents of a thorazine capsule. His explanation for passing off thorazine as heroin was that Cass “kept bothering” him with requests to purchase narcotics in order to take care of two girls he, Cass, had “hooked on drugs.” By selling him the “bad stuff” Walker said that he figured “I would make him mad enough to leave me alone.”
In any event, the sales to Cass led to the filing of a federal complaint against Walker on March 30, 1967, in which he was charged with knowingly and unlawfully selling two bags of a narcotic drug, to wit, heroin. On May 19, 1967, he was indicted by a grand jury in the United States Dis