This happened to Lance Armstrong. As one investigator put it, his 1999 urine was meant to pass the drugs tests available in 1999. But when subjected to tests de

This happened to Lance Armstrong. As one investigator put it, his 1999 urine was meant to pass the drugs tests available in 1999. But when subjected to tests developed 5 years later, it failed. https://en.wikipedia.org/wiki/Lance_Armstrong#Tour_de_France_urine_tests:_2005 https://en.wikipedia.org/wiki/Lance_Armstrong#Tour_de_France...