Question: Who was the first Mafia boss to turn informant ("pentito") and explain the inner workings of the organisation, who told  that Geraci took care of the fugitive Riina while he stayed in Partinico?
Sentence (from "Baldassare Di Maggio"): He helped the police to capture the head of Cosa Nostra, Totò Riina, and claimed that Riina respectfully kissed seven-time Prime Minister Giulio Andreotti when they met in 1987.
Relevant evidence: No