Samantha Koenig was kidnapped at gunpoint from the Anchorage, Alaska, coffee stand where she worked as a barista in February 2013 by a man who may be one of the most prolific serial killer in U.S. history. Israel Keyes developed an elaborate plan to demand a ransom for the 18-year-old's return. 

After his arrest, Keyes  admits to killing 11 people across the country, but are there more? 

JOINING NANCY GRACE TODAY: 

• Andrew Iden  - Co-Host, "Deviant" Podcast, Insta & TikTok: @deviant.podcast   
• Dr. Bethany Marshall -Psychoanalyst, Author "Deal Breaker: When to Work on a Relationship and When to Walk Away” https://www.drbethanymarshall.com, Instagram & TikTok: drbethanymarshall, Twitter:@DrBethanyLive
• Bobby Chacon - Former Special Agent FBI, Screenwriter for “Criminal Minds;” Co-star Facebook TV "Curse of Akakor" Instagram/Twitter: @BobbyChaconFBI, BobbyChacon.com  
• Darryl Cohen - Former Assistant District Attorney, Former Assistant State Attorney, Defense Attorney, Cohen, Cooper, Estep, & Allen, LLC, CCEAlaw.com, Facebook: "Darryl B Cohen", Twitter: @DarrylBCohen
• Dr. Kendall Crowns -  Chief Medical Examiner Tarrant County, Lecturer: Burnett School of Medicine at TCU (Texas Christian University)