Sifting of World Trade Center construction debris for human remains begins in NYC
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The New York City medical examiner says it has started sifting construction debris from the World Trade Center site in an effort to find any human remains from the 9/11 terrorist attacks.
The work began Monday. It's expected to continue for about 10 weeks on Staten Island.
Deputy Mayor Cas Holloway said in a memo Friday that DNA testing will continue until every possible identification can be made.
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City officials say about 60 truckloads of construction debris have been collected around the site over the past 2½ years. A skyscraper will replace the twin towers.
Some 2,750 people died at the World Trade Center in the 2001 attacks. So far, 1,634 people have been identified.