by Roger Koppl It seems some police and prosecutors do not view DNA evidence as friendly to their cause. I’ve come across two cases in which the police won’t use available DNA evidence. Earlier I blogged about Baltimore, where the police were ignoring DNA evidence. Now the Chicago Tribune reports, that in Lake County, Illinois, … Continue reading Who needs that new-fangled DNA anyway?
by Roger Koppl I gave a webcast yesterday on “How to Improve Forensic Science.” Online questioners challenged me on a point that I now recognize to be underappreciated: The “ACE+V methodology” of fingerprint examination lets you shop your verifications. Let me explain. Fingerprint examinations are performed using the “ACE+V methodology.” The acronym stands for Analysis, … Continue reading The Technical Obsolescence of Forensic Fraud
by Roger Koppl CSI: Detroit is looking a bit less glamorous than its TV cousins. The Detroit Free Press reports that an audit of the Detroit Crime Lab was ordered when an outside expert discovered errors in the police forensics. The audit reveals shocking deficiencies. The forensics monopoly of the Detroit police was broken when … Continue reading CSI: Detroit
by Roger Koppl On December 4th BrightTalk is running a “Forensic Science and Law Summit.” I’ll be giving a talk at 1:15 p.m. Eastern time. I’ll be using the slides from my presentation to the National Academy of Sciences committee on “Identifying the Needs of the Forensic Science Community.” It’s free and you can type … Continue reading See “How to Improve Forensic Science” Live on the Internet
by Roger Koppl Most people think DNA evidence is bulletproof. Molecular biologist and forensic scientist Dan Krane has very nice presentation on some of the problems that can arise in this area. When the biological sample is mixed, degraded, or small, the evidence can be ambiguous, which allows subjective judgment to enter. Recent events in … Continue reading Truth-challenged police forensics in Baltimore
by Roger Koppl A friend of mine is a public defender in the Midwest. These days she is working on a murder case. The county medical examiner (ME) testified for the prosecution in the case. The defense called in an ME from a neighboring county to testify for the defense. The two MEs … Continue reading Truth-Market Failure