It is good to help the police solve crimes.
Tommy has witnessed a crime occur and has information that could identify the culprit.
Tommy wants to remain anonymous for his safety.
Tommy uses a tip line to hand over the information without disclosing his name.
Tommy stays quiet about what he saw and never shares any information.
The police find and arrest the perpetrator who learns his lesson from being locked up.
The police are unable to stop the criminal from acting again.