When two young lovers are found brutally murdered in a designated park shelter on the Appalachian Trail in Pennsylvania, authorities work quickly to capture their killer. The man they come face-to-face though with has a dark past and list of even more victims across two U.S. states.

Geoffrey Hood and Molly LaRue

Paul David Crews Mug Shot

Paul David Crews

Appalachian Trail

Appalachian Trail Map
Episode Source Material
- Pennsylvania Department of Corrections Inmate Search
- National Park Service
- Outside Online: Murder on the Appalachian Trail, by Earl Swift.
- UPI: Hikers murdered along Appalachian Trail, by UPI.
- York Daily Record (York, PA): Slayings cast violent shadow over trail, by Michael Argento.
- York Daily Record from York, Pennsylvania
- The Philadelphia Inquirer: For two hikers, the Appalachian Trail led to death, by Paul Nussbaum via Newspapers.com.
- The Philadelphia Inquirer from Philadelphia, Pennsylvania
- The Tampa Tribune: Death-row inmate to be extradited from Pennsylvania by via newspapers.com
- 3-Time Killer gets life term for local slaying. The Tampa Tribune via newspapers.com
- The Reds The Yellows The Blues by Molly LaRue and Jim LaRue
- The Sentinel (Carlisle, PA): ‘She was… never happier in her life’, by David Morris via Newspapers.com.
- The New York Times: Hiker Slaying Suspect Tied to Florida Death, by Associated Press. via web.archive.org.
- The Morning Call (Allentown, PA): Man arrested in Appalachian Trail Slayings, by Terry Mutchler. via Newspapers.com.
- The Tampa Tribune: Paul David Crews extradited and charged with Clemmie Arnold’s Murder. By Bill Heery.
- The Charlotte Observer (Charlotte, NC): Suspect In Hiker Killings Waives Extradition, by The Associated Press. via Newspapers.com.
- News-Press (Fort Myers, FL): Hikers rewarded for help in murder suspect capture, by Associated Press via Newspapers.com.
- Lancaster New Era (Lancaster, PA): Death penalty is sought in trail slayings, by Associated Press. Via Newspapers.com.
- Los Angeles Times: Troubled Loner Faces 3 Charges of Murder : Violence: The arrest of Paul David Crews in a double slaying on the Appalachian Trail followed a life of bitterness, depression, drug abuse., by Terry Mutchler.
- Orlando Sentinel: MAN FACES TRIAL IN DEATHS ALONG APPALACHIAN TRAIL.
- The Sentinel (Carlisle, PA): DNA links Crews, by Associated Press. via Newspapers.com.
- The Philadelphia Inquirer (Philadelphia, PA): Convicted of killing 2 hikers, by Paul Nussbaum. via Newspapers.com.
- The Philadelphia Inquirer (Philadelphia, PA): Trail killer sentenced to death, by Paul Nussbaum.
- The Missoulian (Missoula, MT): Farmhand gets death for murdering hikers, by Associated Press. via Newspapers.com.
- Greensboro News & Record (Greensboro, SC): QUIET BURLINGTON KID WAS A KILLER\ BUT FRIENDS DON’T KNOW WHY, by Thomas A. Barstow..
- The Evening Sun (Hanover, PA): DNA evidence upheld in killing of hikers, by Associated Press.
- Com. V. Crews. 1994. Pennsylvania Supreme Court decision by Justice John Flaherty. via Justia.com.
- The Sentinel (Carlisle, PA): Old barn recycles into new trail shelter, by Tatiana Zarnowski. via Newspapers.com.
- The Baltimore Sun: Parents’ grief leads to comfort, by Tim Craig.
- Crews v. Horn. March 4, 2004. United States Court of Appeals, Third Circuit decision by Circuit Judge Roth. via Findlaw.com.
- History of DNA Testing
- The Sentinel (Carlisle, PA): Murder appeals set to end, by Tatiana Zarnowski. via Newspapers.com.
- Ohio Wesleyan University Magazine: The Reds. The Yellows. The Blues., by Laura Arenschield.
- Pennsylvania Real-Time News: ‘They could make a change in the world’: But they were murdered 30 years ago on the Appalachian Trail, by Deb Kiner.
- Strange Outdoors: Murder on the Appalachian Trail.