A year-long BBC investigation has uncovered a sadistic global monkey torture ring stretching from Indonesia to the United States.
The World Service found hundreds of customers in the US, UK and elsewhere paying Indonesians to torture and kill baby long-tailed macaques on film.
The torture ring began life on YouTube, before moving to private groups on the encrypted messaging app Telegram.
Police are now pursuing the buyers and several arrests have already been made.
Mike McCartney, a key video distributor in the US known by his screen name, "The Torture King", agreed to speak to the BBC - and described the moment he joined his first Telegram monkey torture group.
"They had a poll set up," McCartney said. "Do you want a hammer involved? Do you want pliers involved? Do you want a screwdriver?" The resulting video was "the most grotesque thing I have ever seen," he said.
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https://www.bbc.com/news/world-65951188