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Glor hi, everyone. Im jeff glor. Its a review of the fbi lab in washington that is opening eyes across the country and now it could reopen hundreds of criminal cases. 95 of cases looked at so far included flawed testimony that includes 32 Death Penalty cases. This weekend the fbi acknowledged mistakes and Jericka Duncan has details. Reporter before dna testing became prevalent the fbi relies heavily on visual analysis of evidence, sometimes building occasions on microscopic analysis of hair. But in 2012, federal officials launched an investigation after the Washington Post reported that flawed...

Glor hi, everyone. Im jeff glor. Its a review of the fbi lab in washington that is opening eyes across the country and now it could reopen hundreds of criminal cases. 95 of cases looked at so far included flawed testimony that includes 32 Death Penalty cases. This weekend the fbi acknowledged mistakes and Jericka Duncan has details. Reporter before dna testing became prevalent the fbi relies heavily on visual analysis of evidence, sometimes building occasions on microscopic analysis of hair. But in 2012, federal officials launched an investigation after the Washington Post reported that flawed...

Quarantine Productions has unveiled Quarantine: X, an immersive sci-fi performance marking 10 years of interactive horror experiences for the co...

This year bringing their campaign of terror to the shores of alex ortiz, cbs news, cairo. >> glor: we've long been told aspirin can help reduce heart disease. now a new study says long-term regular aspirin use can substantially cut the risk of some kinds of cancer. here now to explain is dr. heather yeo of new york presbyterian-weill cornelle medical center. doctor, good to see you. why was this study so significant? >> thanks, jeff. actually, the study is important because it's one of the first studies to study patients, 130,000 patients actually, for such a long period of time. they studied ...

i'm jeff glor. this is the western edition of the cbs news. it's a review of the fbi lab in washington that is opening eyes across the country and now it could reopen hundreds of criminal cases. 95% of cases looked at so far included flawed testimony that includes 32 death penalty cases. this weekend the fbi acknowledged mistakes and jericka duncan has details. acknowledged mistakes and jericka duncan has details. >> reporter: before dna testing became prevalent, the fbi relied heavily on visual analysis of evidence, sometimes building occasions on microscopic analysis of hair. but i...