Skip to main content
// DECLASSIFIED //
MysteryUnder Investigation

Missing 411: The National Park Vanishings

📅 1969-Present📍 US National Parks🌍 North America
Missing 411: The National Park Vanishings

Since 2012, former police detective David Paulides has documented over 1,700 unexplained disappearances in North American wilderness areas. Victims vanish without trace, often within sight of companions, leaving behind patterns that defy conventional explanation—and a National Park Service that claims it keeps no centralized record of the missing.

The National Park Service acknowledges that missing persons cases occur within park boundaries but maintains these incidents are consistent with statistical expectations given the 312 million annual recreational visits to federal parklands. Individual cases are entered into the National Law Enforcement Telecommunications System (NLETS) and managed by appropriate jurisdictional authorities. Skeptical analysis by researcher Kyle Polich, published in Skeptical Inquirer (2017), concluded that after examining Paulides' data, "not a single case stands out nor do the frequencies involved seem outside of expectations." The NPS notes the absence of a centralized missing persons database reflects distributed case management across federal, state, and county jurisdictions rather than deliberate omission.

Stacy Arras Camera Lens Cap

The only physical evidence ever recovered from the disappearance of 14-year-old Stacy Ann Arras, who vanished from Yosemite's Sunrise High Sierra Camp on July 17, 1981. Found along the trail toward Sunrise Lakes—the direction witnesses watched her walk before she disappeared behind trees and was never seen again. Despite a 9-day formal search involving 150 searchers, helicopters with infrared radar, and tracking dogs covering a 3-5 square mile area, no other trace of Stacy, her camera, clothing, or belongings was ever found.

Source: UnknownJuly 1981
🔒
5 MORE EVIDENCE ITEMS

Access the complete evidence gallery in the app

Access Classified Evidence
  • Undetected Serial Predator
  • Cryptid Predator / Bigfoot Abduction
  • Statistical Noise and Selection Bias
  • Extraterrestrial Abduction / UAP Connection
  • Fae Folk / Interdimensional Portals
Read full theory analysis in the app →
👁️
4 EYEWITNESS ACCOUNTS

First-hand testimonies available in the app

Read Testimonies
CLASSIFIED ACCESS

ACCESS THE COMPLETE FILE

This web summary contains declassified information only. For the complete investigation including all evidence, eyewitness testimonies, interactive redactions, and recovered media — download the app.

Uncover the Full TruthBrowse More Cases
Full Evidence GalleryEyewitness ReportsRecovered Footage