http://www.washingtonpost.com/wp-dyn/content/article/2008/04/02/AR2008040203952.html?nav=rss_nation
Prosecutors called Chi Mak the "perfect sleeper agent," though he hardly looked the part. For two decades, the bespectacled Chinese-born engineer lived quietly with his wife in a Los Angeles suburb, buying a house and holding a steady job with a U.S. defense contractor, which rewarded him with promotions and a security clearance. Colleagues remembered him as a hard worker who often took paperwork home at night.
"Taking work home at night" is often an indicator, especially if that "work" is classified...
![PH2008040203953.jpg](/proxy.php?image=http%3A%2F%2Fmedia3.washingtonpost.com%2Fwp-dyn%2Fcontent%2Fphoto%2F2008%2F04%2F02%2FPH2008040203953.jpg&hash=4000eceec929d941b554407c5efe38d8)
Prosecutors called Chi Mak the "perfect sleeper agent," though he hardly looked the part. For two decades, the bespectacled Chinese-born engineer lived quietly with his wife in a Los Angeles suburb, buying a house and holding a steady job with a U.S. defense contractor, which rewarded him with promotions and a security clearance. Colleagues remembered him as a hard worker who often took paperwork home at night.
"Taking work home at night" is often an indicator, especially if that "work" is classified...