The child, the parent, the guardian, and counsel are permitted to inspect and receive copies of police reports, probation reports, and any other documents filed with the court or made available to the probation officer in preparing the probation recommendations.
Subject to the child's privilege against self-incrimination, the court may examine the child, the parent, the guardian, and any other person present who has knowledge or information relevant to the issue of detention and must consider any relevant evidence that the child, the parent, the guardian, or counsel presents.
The court may base its findings and orders solely on written police reports, probation reports, or other documents.
Cal. R. Ct. 5.756