▁members ▁of ▁government ▁in ▁December ▁ 2 0 1 6 . ▁ ▁In ▁ 2 0 1 7 , ▁O ch - Z iff ▁Capital ▁Management ▁Group ▁came ▁under ▁investigation ▁for ▁several ▁instances ▁of ▁b ri ber y ▁in ▁the ▁Gu ine an ▁min ing ▁industry ▁as ▁well ▁as ▁w ides p read ▁b ri ber y ▁across ▁Africa . ▁In ▁September , ▁a ▁unit ▁of ▁O ch - Z iff ▁p led ▁guilty ▁to ▁eng aging ▁in ▁a ▁multi - year ▁b ri ber y ▁scheme ; ▁the ▁jud g ement ▁handed ▁down ▁included ▁regul atory ▁san ctions ▁against ▁O ch - Z iff ▁founder ▁Daniel ▁O ch . ▁ ▁In ▁ 2 0 1 8 , ▁Michael ▁C ohen , ▁head ▁of ▁O ch - Z iff ▁European ▁operations , ▁was ▁charged ▁with ▁ten ▁counts ▁of ▁fra ud . ▁This ▁followed ▁a ▁length y ▁investigation ▁by ▁the ▁Sec ur ities ▁and ▁Exchange ▁Commission ▁( SE C ). ▁ ▁In ▁September ▁ 2 0 1 5 , ▁an ▁investigation ▁was ▁launched ▁into ▁Moh amed ▁Al pha ▁Cond é , ▁the ▁President ' s ▁son . ▁The ▁French ▁Fin an cial ▁Public ▁Pro sec utor ▁charged ▁him ▁with ▁em be zz ling ▁public ▁funds ▁and ▁receiving ▁benefits ▁from ▁French ▁fir ms ▁that ▁are ▁involved ▁in ▁the ▁Gu ine an ▁min ing ▁industry . ▁ ▁Another ▁case ▁of ▁alleg ed ▁cor ruption ▁in ▁the ▁country ’ s ▁min ing ▁industry ▁is ▁based ▁on ▁the ▁find ings ▁of ▁an ▁N GO ▁called ▁Global ▁Wit ness