Hiker-Mom Rachel Morin: MYSTERY PERP CAUGHT ON RING CAM 2000 MILES AWAY

Police now have two new pieces of evidence in their search for whoever killed Rachel Morin.

Harford County Sheriff Jeffery Gahler tells Nancy Grace that not only was DNA pulled from the Morin crime scene, but that DNA linked to an assault across the country. What's more, there video of the suspect leaving the California crime scene.

The video shows the suspect from the back with his head partially turned to the side. There is no frontal view, but investigators say someone should recognize the perpetrator.

Joining Nancy Grace Today:

• Jessica Garth - Chief, Special Victims & Family Violence Unit, State's Attorney's Office, Prince George's County, MD
• Dr. Bethany Marshall - Psychoanalyst (Beverly Hills, CA); Twitter: @DrBethanyLive
• Sheriff Jeffrey Gahler - Sheriff of The Harford County Sheriff’s Office; Instagram/Twitter: @harford_sheriff, FB: Harford County Sheriff’s Office
• Dr. Monte Miller - Director, Forensic DNA Experts LLC; Specialist in Sexual Assaults and Murder, and Former Forensic Scientist for Texas Dept. of Public Safety State Crime Lab
• Dr. Tim Gallagher - Medical Examiner State of Florida; Lecturer: University of Florida Medical School Forensic Medicine and Founder: International Forensic Medicine Death Investigation Conference
• Vincent Hill - Anchor/Reporter for FOX 45 in Baltimore, Former Police Officer and Private Investigator; Author: “Playbook to A Murder;" Twitter & IG: @VincentHillTV

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