Yoruba nation activist, Sunday Adeyemo, popularly called Sunday Igboho, on Thursday, instituted a case of alleged defamation of character against the Aare Onakakanfo of Yorubaland, Gani Adams. PUNCH Online reports that Adams had recently, in a leaked audio conversation, alleged that Igboho is an assassin allegedly being used by President Bola Tinubu for dirty jobs.