He exposed the continuing atrocities committed against Central Africans in Western Ubangi-Shari by such employers as the Forestry Company of Sangha-Ubangi.
Ta paljastas vägivalla, mida Ubangi-Shari lääneosas kasutasid keskaafriklaste vastu tööandjad nagu Sangha-Ubangi Metsanduskompanii.