I wonder how much of this goes on? Probably a lot.

THE WASHINGTON TIMES
By Jerry Seper
February 23, 2007

MEXICANS SMUGGLE CHINESE ALIENS

U.S. Customs and Border Protection officers conducting security inspections at the Calexico, Calif., port of entry arrested a Mexican national after finding an illegal Chinese alien hidden in the engine compartment of the vehicle he was driving into the United States.

The failed entry, Customs and Border Protection (CBP) officials said, was the second at the Calexico port in less than a week in which a smuggler sought to bring a Chinese national into the United States in the same manner and the third this month at the port involving an attempt to smuggle a Chinese migrant into the country.....

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