A relative, who used to live in Santa Rosa, told me that Sullivan was killed and his body thrown into a cave in the Blue Hole, after he was caught making out with the wife of a local law enforcement official. The cave entrance was sealed with a metal grate in 1976, just a few months later.
The Magic man was his Boyfriend. And he could not live their love affair because of the era they lived in. Perhaps they found a way of living in another country together and "disappeared"