A widespread, well-organized, murderous secret society that stayed undetected for centuries, perhaps millenia. And yet, these days, those who consider the possibility of modern secret societies are lebeled "tinfoil hat crowd"
Not true- Thugee was derived from the Hindu sect and teh fact that Muslims - whose ancestors were Hindus not to long ago continued to practice Thugee is not hard to fathom. How long did Celtic practice of human sacrifce continue after the arrival of Christianity?