The most recent case showing the magnitude of this problem can be found in the Florida Department of Law Enforcement's use of the Automatic Fingerprint Identification System (AFIS). Technical problems with this system have cost the State of Florida over $11 million and have resulted in delays in investigations and arrests throughout the State of Florida.
There is a common misconception that scientific evidence is infallible and the results of scientific testing are used to convict people for criminal offenses throughout this country on a daily basis. Many people do not realize undetected or undisclosed system errors are in fact sending innocent people to jail or prison. From the breathalyzer machine not properly maintained, inspected or used to now discounted hair analysis, which applied the wrong statistical probability of a match, we are now learning many supposedly infallible tests are "riddled with error."