County Border Crime Unit partners with Border Patrol to fight crime
Patrick McNamara/The Explorer, Pima County Sheriff's Deputy Vincent Lopez stands over piles of burlap and potato sacks discarded in the Avra Valley desert. The bags once held bundles of marijuana that were walked across the border from Mexico.
Patrick McNamara/The Explorer, Border Crime Unit Deputy Vincent Lopez inspects a makeshift shoulder strap found in the desert. The strap was fixed to a large burlap sack that smugglers used to walk marijuana into the country from Mexico.