"The pioneering 35-year-old evangelist Aimee Semple McPherson vanished while swimming off the beach in Venice, California. Out of the ensuing medley of scandal, religion, and ballyhoo was born a mystery that endures to this day." Aimee McPherson was one of the chief promoters of early Pentacostalism. The story of her disappearance and the surrounding events is one worth reading.
http://www.americanheritage.com/people/articles/web/20060518-sister-aimee-semple-mcpherson-kidnapping-evangelical-pentecostalism-billy-sunday-preacher.shtml