((excerpt))
According to bureau documents obtained by WBNS, however, contamination has caused “inconclusive” results and, on at least one occasion, hurt a case “irreparably.”
“Even if it happens only once a year, that’s something that really needs to be remedied,” said Dan Krane, a biological-sciences professor at Wright State University and founder of Forensic Bioinformatics, a consulting firm that reviews DNA test results from hundreds of court cases around the world each year.