Prema optužnici, od 24. maja do 30. augusta 1992, Mejakić je bio šef sigurnosti i komandant logora u Omarskoj. On i drugi su optuženi za zločine protiv čovječnosti, kao i za ubijanje, zatvaranje i mučenje uhapšenih civila.
According to the indictment, between May 24th and August 30th 1992, Mejakić was the chief of security and commander of Omarska Camp.He and the other indictees have been charged with crimes against humanity, as well as murder, imprisonment and torture of captured civilians.