Rivaldo Barbosa (chief of police)
Rivaldo Barbosa de Araújo Júnior (born 31 May 1969) is a Brazilian professor and chief of police who served as Chief of the Civil Police from 13 March 2018 until December of the same year. He assumed the position one day before the assassination of Marielle Franco, following an invitation from the then–Federal Interventionist Walter Braga Netto. He is considered suspect of involvement in the assassination of councilwoman Marielle Franco and driver Anderson Gomes, more specifically of obstructing the investigations.