Two Mexican citizens were arrested Wednesday at the Interstate 8 checkpoint east of Yuma after agents allegedly discovered nearly five pounds of heroin hidden in their shoes (seen here).

Two Mexican citizens were arrested Wednesday at the Interstate 8 checkpoint east of Yuma after agents allegedly discovered nearly five pounds of heroin hidden in their shoes. The heroin has an here estimated street value of about $150,000.

Last month, two other alleged smugglers were caught with heroin in their shoes while trying to pass through the same checkpoint.

According to the Yuma Sector Border Patrol, during the current seizure the two Mexican citizens had been traveling in a shuttle bus when they were referred to a secondary inspection area after a working dog indicated the possible presence of contraband on the shuttle.

Agents then reportedly discovered the heroin hidden in the men's shoes. The men and heroin were turned over to the Drug Enforcement Administration.

In another incident, agents arrested three Mexican citizens and seized 116 pounds of marijuana south of Gila Bend after tracking their footprints through the desert. The pot has an estimated street value of $58,000.

The smugglers and marijuana were turned over to the Maricopa County Sheriff's Office.

Source: Yumasun