Not a formal source, but one youtuber went to the zone where these people are being held and found some of the forced scammers https://youtu.be/lx1SIEwwZrU?si=MIO-C14WxNSBMqMK&t=1118 (at 18:30)

The Wikipedia articles on both of those compounds should have sources. I first learned about it by reading Thai media. Abductions of both tourists and Thai nationals in Thailand has become an issue.