Criminal Minds Beyond Borders Season 1 (2016)

Thai royal police officer Taksin is Jack Garrett's FBI International Response Team's only local liaison in Bnagkok to investigate the disappearance of three naive US aid volunteers. They find Jeff Little's backpack with a street thief, soon after his bloodily butchered corpse dumped in a ravine near a poor country host's farm, Jeff's travel companions Sarah and Laura are feared abducted by white slavers. Forensics including a branding suggest correctly it's the work of psychopathic hunter, whom they must track down before he sacrifices the girls.