Episode 3: The Last Day

Outside Magazine, May 2 2004, “Chuck Darwin, Eat Your Heart Out,” Johnathan Hanson.

USDA Forest Service 

Episode 7: What About Larry?

My Herald Review, March 12 2016, “Sheriff working on 3 missing person cases,” Terri Jo Neff. 

Sierra Vista Herald, Sept. 23 2015, Search and Rescue efforts split after hiker goes missing,” Derek Jordan. 

Arizona Range News, Sept. 14 2015, “Search called off for missing hiker on Mount Graham,” Jon Johnson.

Eastern Arizona Courier, Sept. 9 2015, “Search continues for missing hiker on Mount Graham,” Jon Johnson.

Strange Outdoors, November 14, 2017, “Mary Sloan – Strange disappearances on U.S. mountains.”

Mountain Lion Foundation

North American Bear Center, Northwoods Ecology Hall, “How Dangerous Are Black Bears?” Lynn Rogers, PhD. 

Episode 8: Abducted

VICE, Oct. 28, 2017, “How America’s National Parks Became Hotbeds of Paranormal Activity”, Sarah Emerson.

New Times, October 5-11 1988, “The one that got away,” p.18, Paul Rubin.

National Parks Traveler, June 19th 2018, “Nearly 40 Years After Paul Fugate Disappeared, Effort Renewed To Find Missing Ranger.”

Arizona Daily Star, Aug 4, 2010, “Cold Case: Ranger vanished in ’80, is now presumed dead”, Kimberly Matas.

Strange Outdoors, January 23, 2018, “The terrifying case of the National Forest Serial Killer – Gary Michael Hilton.”

NBC, Dateline: “Mystery on Blood Mountain,” Season 19, Episode 91.

National Parks Traveler, “Gone Missing in the National Parks,” Lori Sonken.

National Parks Service, Yosemite National Park Unsolved Missing Person Cases. 

2017 Annual SAR Dashboard.

National Park Service, Faraway Ranch.

El Inde, March 31 2016, “How State, national parks near border became safe for visitors again,” by Nicholas Cada for Arizona Sonora News.

Arizona HIDTA, drug market analysis report from 2010. 

Office of the Director of National Intelligence, June 5 2012, The Department of the Interior Incident Management Analysis and Reporting System (IMARS). 

NBC News, “Killer says female hiker fought him to the end,” March 23 2008, Source: The Associated Press. 

Desert USA, “The Chiricahua Apaches, Cochise, Geronimo and Mangas Coloradas.”

National Park Service, “National Register of Historic Places Program: Landscape Architecture Month Feature 2012 Chiricahua National Monument Historic Designed Landscape, Cochise County, Arizona,” Exerted from Robin Lothrop Pinto (with assistance from R. Brooks Jeffery and Mike Lovato), Chiricahua National Monument Historic Designed Landscape NRHP nomination, Arizona SHPO, August 8, 1997 and Chiricahua National Monument National Park Service website.

National Park Service, Chiricahua.

National Drug Intelligence Center, Arizona High-Intensity Drug Trafficking Area Drug Market Analysis 2008, June 2008.

911 call leading to the arrest of the Georgia Hiker murderer. 

Gary Michael Hilton Interrogation

Episode 9: Post Mortem of an Investigation

PRX, Radiotopia Stories, Jun 2 2017, Criminal                    

Criminal podcast Ep. # 68 “All the time in the world.” 

Herald Review, Dec 30 2018, “Specialty lab to develop DNA profile of human bones found in CNF.” Terri Jo Ness.


We hope that you have enjoyed listening to The Labyrinth. If you have any helpful information regarding the cases we covered or would like to provide feedback please email us at