"Thus, to conclude, Lt Col Marcelino and Yan Yi Shou have sufficiently proven that they were in performance of a lawful duty when they were chanced upon by the PNP and PDEA joint team, negating the evidence of the complainant-appellees purportedly establishing they are probably involved in the manufacture of illegal drugs, conspiracy in the manufacture thereof, or illegal possession of the same," the DOJ said in its latest resolution.