 <unk> , Muganga starts a war between the Babaorum and their neighbours , the M <unk> , whose king leads an attack on the Babaorum village . Tintin <unk> them , and the M <unk> cease hostilities and come to <unk> 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 <unk> <unk> ; 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 <unk> . After reading a letter from the stowaway 's pocket , Tintin finds that someone called " <unk> " has ordered his elimination . Tintin captures a criminal who tried to rendezvous with the stowaway and learns that " <unk> " is the American gangster Al <unk> , 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 . 
