A new patient had an acute pulpitis. Treatment included a pulpotomy and a prescription for 30 tabs of Percocet®. Known to local police as a drug user, the patient subsequently bragged to a police officer that it was very easy to get narcotics from his new dentist. Several weeks later, a police officer attends the office explaining that he is conducting an investigation into health professionals complicit in narcotic trafficking. Which of the following statements is correct?

There is a legal duty to assist in any criminal investigation.

Patient files must be released to police upon request.

A subpoena is required for the dentist to present relevant documents.