The original comment suggested countries only from Western and Northern Europe, thus my comment. I find it disturbing that this subtle discrimination is supported. I do not oppose the idea of all countries being involved.
> ...quite frankly, it would be nice also in Western and Northern Europe to have a supranational investigative body in stead of or in addition to parliamentary hearings, commissions etc. that often require parliament majority which rests with the government parties anyways.<
Alleging discrimination is serious, so you should at least make sure to actually read and think aobut a comment before accusing it's author of being discriminatory.