Helping the police catch criminals is always a good thing.
Enrique is robbed while walking home at night by a mugger who threatens him not to call the cops.
Enrique wants to decide whether to report the crime to the police.
Enrique decides to call the police and report the crime.
Enrique decides to keep his mouth shut and declines to call the cops to report the crime.
The criminal is captured and many would-be victims are saved.
The criminal is not caught and victimizes several more people.