Attorney General Aware of 15% False Positive Rate
In an article entitled “FBI to Expand Polygraph Testing After Spy Case,” Reuters correspondent James Vicini notes that Attorney General John Ashcroft said in a press conference that he knows polygraph screening “tests” to have a 15% false positive rate. (Ashcroft’s actual words were, “The polygraph is said to have about 15 percent false positives…”) …