State of criminology

Aren't the police suppose to do this to curb criminality - conduct on-going operations to arrest all wanted persons? Does this mean the criminals are allowed to roam free to engage in their nefarious activities and when people start complaining that's the only time the police goes out and arrest them?

LAGAWE, Ifugao - In an effort to curb criminality, the Provincial Police Office (PPO) launched its operations to arrest all wanted persons resulting to the capture of the Top Most Wanted Person in the province. Read the article