By chance, when I got back home, I had an email waiting for me from Mr. Peter E. Sand, director of privacy technology at the US Department of Homeland Security in Washington.

正巧回到家我后收到了一封邮件，来自华盛顿美国国土安全局的隐私保护技术处主任皮特·e·桑德先生。

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The door burst open. Just before Homeland Security put the cuffs on us, Billy woke up and Sid spoke.

大门被猛然打开。就在国土安全局的人给我们戴上手铐的时候，比利醒来了，席德开口说道。

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The US Department of Homeland Security announced Friday a list of 11 airports to be equipped with full-body scanning machines to better detect possible threats.

美国国土安全部5日宣布，将在11个机场部署全身扫描仪，以加强探测潜在威胁。

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Irene remains a "large and dangerous" storm, US Homeland Security Secretary Janet Napolitano warned on Saturday.

BBC: Millions flee as Hurricane Irene lashes US east coast

Michael Chertoff, US Director of Homeland Security, said the scheme was "suggestive of an al-Qaeda plot".

BBC: NEWS | Americas | Bush says plot a 'stark reminder'

Earlier, US Department of Homeland Security Secretary Michael Chertoff outlined some steps that are being taken by mass transit officials in this country.

NPR: New York, Los Angeles Step Up Security