According to the National Park Service statistics, 330 deaths occur each year on the 85 million acres of the United States 423 park sites. It’s not uncommon for people to get lost when hiking. People sometimes become disoriented or get injured. But when the dismembered bodies of 4 people were found in parks in the southern United States, it became clear that that wasn’t the case. This is the story of Gary Hilton, also known as the National Park serial killer.

Sources:  

• Tragic end for 'unique' couple (ajc.com)
• Hilton admits he killed John and Irene Bryant (blueridgenow.com)
• Gary Hilton - Wikipedia
• Who Is Gary Hilton, The National Forest Serial Killer? | Crime News (oxygen.com)
• Gary Michael Hilton | Murderpedia, the encyclopedia of murderers
• Serial killer gets life sentence in N.C. slayings (usatoday.com)
• Hilton Emerson - Newspapers.com
• Autopsy: Hiker Was Alive for 3 Days Before She Was Murdered | wltx.com
• Georgia judge bars release of photos of hiker's nude, decapitated body - CNN.com