Three women go missing in a month's time span. Their bodies are found raped and strangled, bound about the head with tape. A fourth woman manages to escape with her life. The connecting factor, the dating app, Tagged.

The surviving victim says what happened has changed her entire life. Tiffany Taylor says she doesn't wear makeup anymore or have friends. She's too paranoid.

Khalil Wheeler-Weaver, 20 was arrested and charged for his crimes.

Joining Nancy Grace Today:

Kathryn Marsh - Special Counsel, Assistant Chief of the Special Victims Family Violence Unit, Legislative Co-Chair for the State’s Attorney’s Office (Prince George’s County, MD), Co-Founder: Right Response Consulting, "No Grey Zone" Podcast", www.rightresponseconsulting.com, 

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"

Dr. Tim Gallagher - Medical Examiner State of Florida www.pathcaremed.com, Lecturer: University of Florida Medical School Forensic Medicine. Founder/Host: International Forensic Medicine Death Investigation Conference

Lisa M. Dadio - Former Police Lieutenant, New Haven Police Department, Senior Lecturer, Director of the Center for Advanced Policing at the University of New Haven's Forensic Science Department

Nicole Partin - CrimeOnline.com Investigative Reporter, Twitter: @nicolepartin (Naples, FL)