Rivera

Rivera appeals a judgment of conviction for possession of heroin. (Health & Saf. Code, § 11500.)

*390 On 3 June 1966, Linda Morales informed Deputy Sheriff Trujillo of the Los Angeles County Narcotic Detail that Rivera was selling heroin from the residence of Marie Jacquez on Boulder Street, where he and Mrs. Jaequez’s son, Vincent were staying. When Linda said she would be willing to make a purchase of heroin from Rivera for the police, Officer Trujillo gave her $50 of county money whose serial numbers had been recorded. He and his partners followed her to Boulder Street, where they watched her park her car and converse with a man later identified as Rivera. They then saw Rivera go into the Jaequez residence and Linda get out of her ear and stand on the sidewalk looking up. A short time later she re-entered her car, drove to the officers, and handed them a small blue package containing a powder which resembled, and in fact was, heroin.

Linda told the officers she had asked Rivera to sell her a quarter-ounce of heroin. He replied he didn’t have that much. She then inquired about a half-gram, and Rivera said he had grams for $10 but he was not sure of her. She told him he could…