College student Mollie Tibbetts disappeared from the small Iowa town of Brooklyn. The 20-year-old woman former high school track star went out for an evening jog and never came home. After a month-long search , Tibbets' body is found in cornfield, covered by stalks. The man who put Tibbetts there, led police to the body. The medical examiner concluded she died from "multiple sharp force injuries." Cristian Rivera, charged with snatching the Iowa college student, goes to trial this week. Today, jury selection begins. Joining Nancy Grace today: Francey Hakes - Former federal prosecutor, Podcast: "Best Case Worst Case", Senior Producer on FOX's America’s Most Wanted, Twitter/Instagram: @franceyhakes Dr. Angela Arnold - Psychiatrist, Atlanta GA www.angelaarnoldmd.com, Joe Scott Morgan - Professor of Forensics Jacksonville State University, Author, "Blood Beneath My Feet", Featured on "The Piketon Massacre: Return to Pike County" on iHeartRadio Angenette Levy - Emmy-nominated Reporter & Anchor, Twitter: @Angenette5 from Davenport