sentences:  Parsons had also begun to investigate occultism, and performed a ritual intended to invoke the Devil into his bedroom; he worried that the invocation was successful and was frightened into ceasing these activities.In 1929 he began attending John Muir High School, where he maintained an insular friendship with Forman and was a keen participant in fencing and archery.After he received poor school results, Parsons's mother sent him away to study at the Brown Military Academy for Boys, a private boarding school in San Diego, but he was expelled for blowing up the toilets.