https://antipolygraph.org/blog/2013/04/23/cuban-spy-nicolas-sirgado-passed-cia-polygraph-three-times/ News about polygraphs, voice stress analyzers, and other purported "lie detectors." Tue, 12 Nov 2013 13:13:48 +0000 hourly 1 http://wordpress.org/?v=3.7.1