(Newser) -
Chi Mak, a Chinese-born engineer, lived quietly with his wife in the LA suburbs for more than two decades, slowly working his way up the ladder at a US defense contractor. Eventually, he gained a security clearance—and access to plans for Navy ships, submarines and weapons, which he secretly copied and sent to Beijing. Mak, it turns out, was one China's extraordinarily patient "sleeper" agents, writes the Washington Post . Last week a federal judge sentenced him to 24 1/2 years.
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