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""),
Tintin in the Land of the Soviets in second, colour versions from 1942 onward, he decided against doing so for "Land of the Soviets"; it was the only completed "Tintin" story that Hergé did not reproduce in colour. Growing demand among fans of the series resulted in the production of unauthorised copies of the book in the 1960s, with the first officially sanctioned republication appearing in 1969, after which it was translated into several other languages, including English. Critical reception of the work has been largely negative, with commentators on "The Adventures of Tintin" describing it as one of Hergé's weakest works. Tintin, a reporter for ,