What does it mean for the police to take notes and bring a psychology teacher?

Observe a person's psychology through words or actions.

Psychologist refers to the psychological service profession engaged in psychological consultation, psychotherapy or promoting mental health education. Including psychological counselors, psychologists, psychotherapists and other psychological service professionals.

Transcript is a professional term in the legal field, that is, the text that records the detailed identity and speech of witnesses, criminal suspects or witnesses.