 Angered , Muganga starts a war between the Babaorum and their neighbours , the M 'Hatuvu , whose king leads an attack on the Babaorum village . Tintin outwits them , and the M 'Hatuvu cease hostilities and come to idolise Tintin . Muganga and the stowaway plot to kill Tintin and make it look like a leopard attack , but Tintin survives and saves Muganga from a boa constrictor ; Muganga pleads mercy and ends his hostilities . The stowaway attempts to capture Tintin again and eventually succeeds disguised as a Catholic missionary . They fight across a waterfall , 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 . 
