Marion Jones and Tim Montgomery were tried and convicted and sentenced to prison for doping offences.
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While the charges came about during various investigations into the sales and distribution of what we call "controlled substances", in this case PED's, they were actually convicted and sent to prison for perjury (lying under oath) and their involvement in a check fraud scheme.
There is technically no such thing as a "doping offence" in our criminal justice system. That's actually a manifestation of the various governing bodies that control participation in sports.
In all actuallity, Frigo and his wife were convicted under a set of laws more akin to possession of illegal/controlled substances. It could have just as easily been a story about someone caught with Cocaine or Heroin.