The Vedic Core of Human History
https:// books.google.com/books?id=yqNwAgAAQBAJ&pg=PA211&lpg=PA211&dq=black+forest+human+sacrifice&source=bl&ots=dpmEw9Rxsz&sig=jhQea1oj5_upfjee_uHzvUViVXU&hl=en&sa=X&ved=0ahUKEwjsuIfN0I_ZAhXB3YMKHXagDU0Q6AEIUDAK#v=onepage&q=black%20forest%20human%20sacrifice&f=false
The Black Forest is where the Odinists practiced human sacrifice and cannibalism. It is where the Nazis thought the sacred ground was because of the Tree of Odin, Wagner, the Aryans, Valkyries, etc.
He is telling you these are Satanists. Look at death metal music and Satanic crimes and cults. All in the forest.