He soon learned to use Korean guards for U.S. military stores. The Koreans were desperately poor, and would steal anything, even if nailed down—nails had commercial value—but American sentries would not willingly shoot down women and boys carrying off gas cans and water buckets. Not after they had killed two or three, anyway—they lost all heart for it. But Korean guards would shoot or beat hell out of the thieves, if they caught them. By using Korean guards, the U.S. saved money.