Terpenning

Defendant was convicted of keeping and occupying a residence with paraphernalia for the purpose of recording and registering bets on horse races (Pen. Code, § 337a, subd. 2.) She appeals from the judgment and sentence.

Defendant did not take the stand; only the officers testified. Deputy Sheriff Olsen, an expert in methods, paraphernalia and forms of bookmaking, received information that a Gilbert telephone number was involved in a call-back relay. This is a type of bookmaking operation wherein the bettor telephones the relay number and makes a bet; the person answering the call then, by telephone, relays the information concerning it to a person at the “back,” which is a location where the betting records are kept; and the person at the “back” either telephones the bettor directly to verify the bet or accepts the bet as transmitted by the relay. Ascertaining that the Gilbert number was registered at 9585 Garvey Boulevard, Deputy Olsen, together with Deputies Havlovic and Halfon, went to a telephone located approximately 100 feet from the address and dialed the number while his partners observed the premises. A woman answered, “Hello,” and Deputy Olsen said, “This Kenny S.”; she…