Midland County has become a major thorough fare for distributors of crystal methamphetamine. Sheriff Johnson has put together a profile of meth dealers and distributors, specifically identifying their tendency to travel by motorcycle or older-model van, and noting they often sport tattoos and facial hair. He has instructed his deputies to be on the lookout for people matching this profile. The Midland County Sheriff's practice of stopping motorists who meet the profile for a minor infraction, with the hope of catching some in possession of methamphetamine, is known as:_____.

A) proactive investigation.

B) reactive investigation.

C) pretext stop.

D) terry stop.