- Global Prosperity Group / Investors International -- Multi-Level Marketing scams relying of stupid and meritless tax protestor theories which have never, ever won even a single victory, to set up three-tiered trust systems which are tax evasive, and which rely on the persons buying into the system to aid and abet the felony of tax evasion by getting their friends into it too.www.quatloos.com/groups/gpg.htm