Eduardo Duarte Vieira was arrested in Portuguese Guinea on a charge of subversive political activity following a period of increasing pressure and harassment instigated by the clergy. He had been detained, maltreated and brutally beaten on several occasions since becoming a Bahá’í. [BW14:390]
While in the custody of the Portuguese authorities Eduardo Duarte Vieira died in prison in Portuguese Guinea (now Guinea Bissau) after twenty days of torture. He was named the first African martyr. [BW14:390, BW16:568]
For his obituary see BW14:389–90.
For the messages to his wife and children he scratched on a biscuit box. See BW14:390–1.