For decades, evangelical missionaries have come to Brazil's Amazon in search of new Christians - but indigenous tribes are fighting back. VICE News went to the border of the Javari Valley to find out why it's so hard to keep missionaries out - and why some tribes want them back in. Help keep VICE News’ fearless reporting free for millions by making a one-time or ongoing contribution here. - vice.com/contribute Subscribe to VICE News here: bit.ly/Subscribe-to-VICE-News Check out VICE News for more: vicenews.com Follow VICE News here: TikTok: tiktok.com/@vicenews?lang=en Facebook: facebook.com/vicenews Twitter: twitter.com/vicenews Instagram: instagram.com/vicenews More videos from the VICE network: fb.com/vicevideo Follow VICE World News here: TikTok: tiktok.com/@viceworldnews?lang=en Facebook: facebook.com/viceworldnews Twitter: twitter.com/VICEWorldNews Instagram: w...