This excellent article (long read, but very informative) just out from The Atlantic magazine.
In a nutshell, the article claims that DNA testing, while making notable advances in quality assurance, is still fraught with uneven testing procedures and analysis.
So much so that we should probably be skeptical of certain convictions based on DNA evidence.
So here we are in a movement that has trumpeted DNA testing as the gold standard for proving innocence now having to also assess whether a conviction based mainly on DNA evidence might be wrong.
So in one scenario to prove innocence, we tend to say DNA testing is beyond dispute. In this new scenario, however, we may have to argue that DNA testing is fatally flawed.