We are bringing you a special bonus episode featuring a case from Oxygen's hit series, “Mark of a Serial Killer.” Watch Mark of a Serial Killer on Saturdays at 8/7c on Oxygen when it returns on April 2nd! Dallas police discover three women murdered with their eyes surgically removed. Police believe they have a deranged doctor on the loose until two rookie cops find themselves on the trail of a man with a Psycho-esque mother, a talent for taxidermy, and a hatred for women. Season 1, Episode 3 Originally aired: February 10, 2019 Watch full episodes of Mark of a Serial Killer live or OnDemand for FREE on the Oxygen app: https://oxygentv.app.link/MOASKPodcastSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.