Tintin in the Congo and the stowaway is eaten by crocodiles. After reading a letter from the stowaway's pocket, Tintin finds that someone called "A.C." has ordered his elimination. Tintin captures a criminal who tried to rendezvous with the stowaway and learns that "A.C." is the American gangster Al Capone, who is trying to gain control of African diamond production. Tintin and the colonial police arrest the rest of the diamond smuggling gang and Tintin and Snowy return to Belgium. Georges Remi—best known under the pen name Hergé—was employed as editor and illustrator of (""The Little Twentieth""), a children's supplement to (""The Twentieth Century""),
The Adventures of Tintin of heart: it is packed with close textual analysis and laden with psychological jargon." Following Apostolidès's work, French psychoanalyst Serge Tisseron examined the series in his books "Tintin et les Secrets de Famille" ("Tintin and the Family Secrets"), which was published in 1990, and "Tintin et le Secret d'Hergé" ("Tintin and Hergé's Secret"), published in 1993. The first English-language work of literary criticism devoted to the series was "Tintin and the Secret of Literature", written by the novelist Tom McCarthy and published in 2006. McCarthy compares Hergé's work with that of Aeschylus, Honoré de Balzac, Joseph Conrad, and Henry James