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Frontline August 2015

CBP preclears travelers abroad to ease U.S. entry
Cover image of a plane landing with text saying, "Cleared for Landing"
More video and photos provide an inside look at CBP's anti-tunneling operations
Photo inside the Douglas Tunnel
How CBP works with others to prevent motion picture and television piracy
Photo of various DVDs representing the market for fraudulent entertainment
CBP’s tethered aerostats keep watch for trouble from 10,000 feet
CBP’s tethered aerostats on the lookout for trouble at 10,000 feet Photo of a tethered aerostat
Securing the border in the Thousand Islands
Photo of agents on snowmobiles on the St. Lawrence River.