In a piece for the Financial Times John Paul Rathbone wrote about the murder of Glauco Villas Boas, one of Brazil’s best-known cartoonists. Glauco was a leader of the Céu de Maria church, one of the many churches in Brazil that treat hallucinogenic ayahuasca tea as a sacrament. The young man charged with murdering Glauco had partaken in the religious rituals of the church, and the murder provoked a heated national debate about the dangers of ayahuasca. While reporting the story Rathbone took part in an ayahuasca ceremony at Céu de Maria, which is described in the excerpt below:

Beatriz pointed me to a seat near the front and rang a captain’s bell to announce the start of the service. The congregation filtered in, some 200 people chatting easily among themselves. There were all types: young, old, fat, thin, black and white. Some looked like pirates, their faces etched with poverty; others like bank managers with…