to counter narcotics trafficking; drug enforcement

to arrest; to seize

to seize; to apprehend; an arrest

to carry out enforcement checks (for illegal activity)

to arrest; to apprehend

to order the arrest of sb as criminal; to list as wanted

to pursue; to be after; to hunt down (the perpetrator of a crime, an escaped prisoner etc)

to track down; to investigate and arrest

to search for and seize (criminals, smuggled goods etc)