An arrest is made in the case of a tech exec stabbed to death while jogging on a Washington, DC, sidewalk. Nancy Graces looks at the case with experts including victims advocate Marc Klaas,  prosecutor Kenya Johnson, lawyer and psychologist Dr. Brian Russell, investigator Sheryl McCollum, and reporter John Lemley. They also discuss the release from prison of one of Elizabeth Smart's kidnappers. Wanda Barzee helped her husband hold Smart hostage. Border Patrol officer Juan David Ortiz is now an accused serial killer.  He allegedly murdered 4 women in Loredo, Texas. Grace suspects more bodies will be found. She is joined by forensics expert Joseph Scott Morgan, psychologist Caryn Stark, lawyer Ashley Willcott, and reporter Robyn Walensky.