Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Not written by a barrister. The name was thought up by a second-year American law student sitting in a coffeehouse in Manhattan. Neither an authoritative statement of the law nor legal advice. Don't rely. Quick work.
Sixth Circuit: United States v. Daniel Gissantaner
Given that expert testimony sufficiently established that the DNA testing technology was generally sufficiently reliable, the question of its reliability when using small sample sizes is a matter to be determined at trial.