PreviewHow Does a Polygraph Detect Lying?
Retired Master Police Officer Joseph Gribble reminds us that a polygraph test won't tell the whole story but can capture those additional details needed to make or break a case.
![Yolanda Saldívar on Abraham Quintanilla: “I Was More Loyal to [Selena] Than to Him”](/sites/oxygen/files/styles/partner_promos_desktop/public/media_mpx/thumbnails/video-oxygen.akamaized.net/oxygen_video_thumbnails/NBCU_Oxygen/812/703/SAY_sneakpeek_102_2_proxy_SD_1920x1080_204292166000.jpg?itok=7geshEwo "Yolanda Saldívar on Abraham Quintanilla: “I Was More Loyal to [Selena] Than to Him”")
