News Buzz: Advances in DNA testing

Andrea Roth interviewed by Iowa Public Radio, December 6, 2013

“It’s certainly given them an added powerful tool. Every day you hear media reports about cold cases being solved by DNA, but a lot depends on the case. I don’t think many people necessarily realize that a DNA match doesn’t mean that it’s definitely the DNA of the person whose DNA is found at a crime scene from 20 years ago.”