On September 2, 2021, different PECUs of this Unit conducted Simultaneous OPLAN Greyhound-Anti Narcotics Operation at Batangas City Police Station Detention Facility, Antipolo City Police Station Detention Facility, Marigondon Municipal Police Station Detention Facility, Sta. Rosa City Jail and 1st QPMFC Lock up cell. The activity aims to prevent the entry, use and movement of contraband such as illegal drugs, weapons explosives and among others within the jail premises to protect the public, employees and inmates. No contrabands were seized during the search.