The Solar Temple was backed by Prince Rainier III of Monaco, with Princess Grace Kelly as High Priestess until her 1982 car accident after threatening to expose the group. Two weeks earlier, Italian papers named Rainier chairman of the P2 Masonic lodge.
Owsley Stanley, premier LSD chemist of the 60s, supplied the Merry Pranksters & was the Grateful Dead's sound engineer. He later obtained STP—a drug tested at Edgewood Arsenal as a biowarfare agent—from a Navy vet who later worked w/ the DEA, bringing it to Haight Street in 1967.
Owsley Stanley served in USAF radio intelligence and worked at Jet Propulsion Laboratory before his counterculture years. At age fifteen, he voluntarily committed himself for fifteen months to St. Elizabeth's Hospital.
While he was with the Grateful Dead, Owsley Stanley moved into a house in Watts are of LA next to a brothel and left just before the riots hit, a pattern similar to how intelligence operatives ran their own acid tests.