John Allen Chau was a young, Christian man who dedicated his life to preaching the Gospel to those around him, with the hopes that they could find Jesus in their hearts. John loved travelling and taking risks, but eventually, his adventurous spirit lead to his downfall. John went on a missionary trip to promote Christianity to the the Sentinelese, one of the world's most hostile Indian tribes. What happened next is controversial: was John's death a martyr or just a fatal mistake?