In Re David W.

— Pursuant to Welfare and Institutions Code section 602 the juvenile court found that appellant, a 15 year old, violated Penal Code section 647, subdivision (f), and placed appellant home on probation on various conditions.

On February 6, 1980, Burbank Police Officers Bonnar and Stehr responded to a radio call concerning a juvenile possibly under the influence of a drug creating a disturbance. The call was initiated by appellant’s mother who was concerned that appellant could not care for himself and that someone might get hurt. When the officers arrived at her home she directed them to an upstairs bedroom, stating that appellant had become very violent and was causing a disturbance. When the officers got to appellant’s bedroom, they observed that appellant was being restrained by his brother and a couple of friends.

Appellant was violently attacking his brother; his speech was extremely slurred; he had trouble keeping balance when standing; his eyes were very red; and he had no aroma of alcoholic beverage about him. The officers were trained in the symptoms of persons under the influence of a drug. The officers formed the opinion that appellant was under the influence…