http://www.bloodyelbow.com/2017/5/1...sica-penne-sample-retesting-program-explained Frank Mir and Jessica Penne might be only the first two of many athletes to be retroactively nabbed by this process. It's a good idea that USADA goes back and re-tests when their capabilities increase over time and further discourages fighters from cheating--beating the test now doesn't mean much if you can still be hit later down the road.