He confessed that he'd just shared a cab with the potential mistress and they were planning to tryst within the week. Thirty minutes later, he'd emptied his pockets and placed all of his cash into my tip jar. The event planners paid me $200 an hour and I made even more in tips. Later, I brown-bagged a beer taken from the party while waiting for the subway, feeling like I'd fooled them all.
In 1880 the American stage mentalist Washington Irving Bishop published a book revealing how mediums would use secret codes as the trick for their clairvoyant readings. The Seybert Commission was a group of faculty at the University of Pennsylvania who in 1884–1887 exposed fraudulent mediums such as Pierre L. O. A. Keeler and Henry Slade. The Fox sisters confessed to fraud in 1888. Margaret Fox revealed that she and her sister had produced the "spirit" rappings by cracking their toe joints.