DNA – Can it be absolute?

Katie Worth of US Frontline media provides an outstanding report on DNA and that it is not always as conclusive as one thinks. Issues relating to the chain of custody are often probed including degrading of samples, mixed or contaminated samples and the like.

This report is a worthwhile read and although relates to a US case highlights the importance of crime scene preservation.  Click on the link to access online.

http://stories.frontline.org/dna