Delaware Republican Senate candidate Christine O'Donnell told Bill Maher, "I dabbled into witchcraft," and added a couple of details which suggest that her story was made up for its sensationalistic appeal. Imagine that.
That evidence -- her claim to have seen a "Satanic altar" with "a little blood there" -- is cribbed entirely from Mike Warnke, the subject of the second book I'm recommending here: Selling Satan: The Evangelical Media and the Mike Warnke Scandal, by Mike Hertenstein and Jon Trott. Selling Satan is a remarkably thorough piece of investigative journalism by two devout evangelical Christians whose reluctance to cast judgment on a purported fellow believer lends them to document Warnke's lies in devastating detail. (The Cornerstone magazine articles summarizing this investigation can be read online here.)
Watch. You don't have to be Paul Ekman to make a reasonable decision about the veracity of her claims in this case: