Well, I hope the mantra that it was only a rumor that he failed a polygraph can finally be put to rest. I heard a portion of the tape last night and when the police were explaining to DW why they knew he had something to do with Danielle's disappearance, the polygraph was mentioned (as in, paraphrase, "your trip, the polygraph, ...").
You realize, of course, that the police can "lie" about such things in an interogation?