ExclusiveAre All Serial Killers Psychopaths?
Investigative journalist M. William Phelps says he believes all serial killers are psychopaths, and explains more about the psychology behind these murderers.
![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”")
