While off-duty on one of these tours, he visited Wewelsburg Castle, which was used by the SS and Heinrich Himmler, and performed a Satanic ritual there

Sounds like Vance and the natalist Nazi tribute act.

His history is definitely interesting. One of the central figures of the Satanic Panic pedo hoax and former psy-op leader, as well as a Nazi sympathiser.

https://en.wikipedia.org/wiki/Michael_A._Aquino

While off-duty on one of these tours, he visited Wewelsburg Castle, which was used by the SS and Heinrich Himmler, and performed a Satanic ritual there

Sounds like Vance and the natalist Nazi tribute act.