Arkansas police are searching for a suspected serial killer thought to have carried out four stabbings. Three of the victims died. The attacks occurred between August 2020 and April of this year. In one of the recent attacks, 43-year-old Debra Walker was stabbed 15 times. Walker survived the attack. Police Chief Keith Humphrey said the four victims were chosen at random. All of the attacks reportedly occurred between 1 a.m. and 4 a.m.Joining Nancy Grace today:Brenda N. Stallings - Attorney, 6th Judicial District, Deputy Public Defender (Little Rock, AK), www.brendastallings.com, Instagram/Twitter: @attystallings,Dr. Shari Schwartz, Forensic Psychologist (specializing in Capital Mitigation and Victim Advocacy), www.panthermitigation.com, Twitter: https://twitter.com/TrialDoc, Author: "Criminal Behavior" and "Where Law and Psychology Intersect: Issues in Legal Psychology"Joe Scott Morgan - Professor of Forensics, Jacksonville State University, Author, "Blood Beneath My Feet" featured on "Poisonous Liaisons" on True Crime NetworkLevi Page - Crime Online Investigative Reporter, Host, "Crime and Scandal" True Crime Podcast, YouTube.com/LeviPageTV