FBI investigators overstated evidence against criminals

Aired: 4/18/2015 | 0:03:14 | Clip
The Justice Department and FBI formally acknowledged that FBI forensic investigators routinely gave flawed testimony overstating evidence against criminal defendants during the 1980s and 1990s. In more than a dozen cases, defendants were later executed or died in prison. Spencer Hsu of The Washington Post joins Hari Sreenivasan from Washington to discuss.

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