Vander Dos Santos Silva, 22-year-old hunter.

Alone, he would spend days in the wild before returning to exchange his loot for booze and prostitutes. He bragged about having killed and eaten four jaguars – that’s one for each year of his education. Authorities failed to stop him so they offered the opportunity to train as a park ranger.

Without words we would joke about girls and rivalled in push-ups. At midnight we motioned goodbye through glass.

Vander Dos Santos Silva, 22-year-old guarda-parque