It is now possible to fake DNA fingerprinting evidence.

DNA fingerprinting, invented by Sir Alec Jeffreys is considered a "gold standard" crime fighting technology. It's based on the fact that everyone's genome is unique (apart from identical twins) and has proved to be pretty persuasive in the courtroom. However, like all technology it is not infallible, but could its credibility be undermined by a team of scientists in Israel who have demonstrated that it is possible to manipulate a crime scene by faking DNA evidence?

Read more: http://www.brighthub.com/science/genetics/articles/46174.aspx

To get his hands on his inheritance, Jason Warren has to convince a jury that his step father, who had been convicted of killing his mother, did not commit the crime he was convicted of. Hal Warren was convicted solely on DNA found at the crime scene. But he always claimed he did not murder his wife. Read more in Beyond Reasonable Doubt, the novel by Dennis Gelbaum.

DNA evidence can be fabricated: 'You can engineer a crime scene'

Scientists in Israel have demonstrated that it is possible to fabricate DNA evidence, undermining the credibility of what has been considered the gold standard of proof in criminal cases. Check out the story and the video at: http://www.bookofjoe.com/2010/01/dna-evidence-can-be-fabricated-you-can-engineer-a-crime-scene.html

Salting Crime Scenes with Fake DNA Becomes Possible

When Dan Frumkin and his team recently announced they had finally discovered a way to clearly distinguish between natural and artificial (fake) DNA samples, not many people understood why their discovery generated so much interest in the international media. Read more at: http://www.islamonline.net/servlet/Satellite?c=Article_C&pagename=Zone-English-HealthScience%2FHSELayout&cid=1256910021588

Hal Warren was convicted of killing his wife, solely on DNA found at the crime scene, But he claimed he was innocent - right up to the time he hung himself in his prison cell.
If he did not commit the crime, who did? And where did the DNA evidence come from?

DNA Evidence Can Be Fabricated, Scientists Show

Scientists in Israel have demonstrated that it is possible to fabricate DNA evidence, undermining the credibility of what has been considered the gold standard of proof in criminal cases. Read more at: http://www.nytimes.com/2009/08/18/science/18dna.html

Did planted and fabricated DNA evidence help to convict Hal Warren of killing his wife? Read more in Beyond Reasonable Doubt, the novel by Dennis Gelbaum.