http://www.physorg.com/news6455.html
"While forensic scientists have long claimed fingerprint evidence is infallible, the widely publicized error that landed an innocent American behind bars as a suspect in the Madrid train bombing alerted the nation to the potential flaws in the system. Now, UC Irvine criminologist Simon Cole has shown that not only do errors occur, but as many as a thousand incorrect fingerprint 'matches' could be made each year in the U.S. This is in spite of safeguards intended to prevent errors. "
