Legal Question in Criminal Law in California

Yes, the officer can question a minor without a parent present.

In some situations, the District Attorney might not be allowed to use the minor's statements in court, but that issue is far too complicated to cover in this short answer form.

Parents should always tell their children to respectfully tell police officers they will not answer questions without a lawyer. For other tips on educating your kids about the law, check out "Kids & the Law: An A to Z Guide for Parents" published by the California State Bar.

http://www.calbar.ca.gov/Public/Pamphlets/KidstheLaw.aspx

Yes, and he could be arrested if justified by the facts or admissions. The only advice you should expect to get from here or elsewhere is to exercise your 5th Amendment rights to SHUT UP, and ask to speak to an attorney, when questioned by law enforcement. Most police and prosecutors will happily tell you that 95% of people convict themselves by trying to be 'helpful and cooperative'.

The police can question your children on school grounds, without parental consent, if it is a public school. If it is a private school, different rules apply.