"Missionary groups are using audio devices in protected territories of the rainforest to attract and evangelise isolated or recently contacted Indigenous people in the Amazon. A joint investigation by the Guardian and Brazilian newspaper O Globo reveals that solar-powered devices reciting biblical messages in Portuguese and Spanish have appeared among members of the Korubo people in the Javari valley, near the Brazil-Peru border"

other discussions
 

Solar-powered units reciting biblical passages have appeared in the Javari valley, despite strict laws protecting Indigenous groups

Archived version: https://archive.is/20250727103226/https://www.theguardian.com/global-development/2025/jul/27/missionaries-using-secret-audio-devices-to-evangelise-brazils-isolated-peoples


Disclaimer: The article linked is from a single source with a single perspective. Make sure to cross-check information against multiple sources to get a comprehensive view on the situation.