Thousands of criminal convictions were [ based on bogus hair comparison "forensic analysis" by done the FBI ]( http://www.washingtonpost.com/local/crime/federal-review-stalled-after-finding-forensic-errors-by-fbi-lab-unit-spanned-two-decades/2014/07/29/04ede880-11ee-11e4-9285-4243a40ddc97_story.html?wpisrc=nl_hdtop ) . Reportedly other kind of forensic analysis also turned out to be bogus.
Ссылка: https://stallman.org/archives/2014-may-aug.html#06_August_2014_%28Thousands_of_criminal_convictions_based_on_bogus_forensic_analysis%29