While the little girl and the fat man are initially hostile towards you, once you explain who you are they instead embrace you and tell you who they are.
The little girl is indeed Consuella Lopez and the fat man is Adolfo, her uncle who was kidnapped with her. Consuella actually has her fathers money here. It was hidden in her doll so that the army would not find it. Now she has buried it in the north corner of the tin shed where she was being kept. The $20,000 is yours.
Adolfo will escort Consuella home now that there are no more soldiers in the area. They thank you again and again. They promise that their family will always do whatever it can to help you at any time that you need it in the future. In a cruel land you have given some hope.
You are a success!