Structured archive

Case Files

Sourced and structured entries for strange reports, historical puzzles, folklore, hoaxes and anomalies.

Structured case files132 entries
Cattle Mutilations: What the Investigations Actually Found feature image

Hoaxes, Misidentifications & Media

Cattle Mutilations: What the Investigations Actually Found

Cattle-mutilation claims became a national mystery through alarming field appearances and uneven investigation. Forensic work explains many features without proving a single cause for every report.

disputedpublicDulce, New Mexico; representative pin for a distributed United States case clusterMajor reporting wave, 1973–1980
The Marfa Lights: Distance, Headlights and a Desert Horizon feature image

Scientific Anomalies & Natural Phenomena

The Marfa Lights: Distance, Headlights and a Desert Horizon

The Marfa Lights combine a modern roadside observation problem with older local folklore. Headlights and atmospheric effects explain much of the repeatable display without resolving every anecdote.

uncertainpublicMitchell Flat east of Marfa, Texas; representative viewing-area pinReported since the late 19th century; modern observations ongoing
Kenneth Arnold: The Sighting That Named the Flying Saucer feature image

UFOs & Aerial Phenomena

Kenneth Arnold: The Sighting That Named the Flying Saucer

Kenneth Arnold’s 1947 report helped launch the modern flying-saucer era. His observation was sincere and carefully timed, but distance and object identity were never independently secured.

uncertainpublicCascade Range near Mount Rainier, Washington; representative pin24 June 1947
Roswell: Debris, Balloons and the Story That Grew After 1947 feature image

UFOs & Aerial Phenomena

Roswell: Debris, Balloons and the Story That Grew After 1947

Roswell began with recovered debris and a mistaken military press release. Project Mogul explains the material record; later alien-body narratives arose through retrospective testimony.

explainedpublicRanch country northwest of Roswell, New Mexico; representative pinJune–July 1947
USS Cyclops: The Collier That Never Reached Baltimore feature image

Disappearances & Unresolved Identities

USS Cyclops: The Collier That Never Reached Baltimore

The disappearance of USS Cyclops is a major United States Navy loss without a recovered wreck. Structural, loading, weather and wartime explanations remain constrained by missing evidence.

uncertainpublicAtlantic route from Barbados to Baltimore; representative departure pinDeparted Barbados 4 March 1918
The Isdal Woman: Names, Labels and an Unfinished Identification feature image

Disappearances & Unresolved Identities

The Isdal Woman: Names, Labels and an Unfinished Identification

The Isdal Woman case combines a documented unexplained death with coded travel records, uncertain identity and later forensic reconstruction. Espionage remains a possibility, not an established fact.

uncertainpublicIsdalen, Bergen; approximate discovery-area pin29 November 1970
The Shag Harbour Incident: Lights Down in the Water feature image

UFOs & Aerial Phenomena

The Shag Harbour Incident: Lights Down in the Water

The Shag Harbour report generated RCMP and defence records because observers feared an aircraft crash. Searchers found no wreckage, missing aircraft or confirmed object.

uncertainpublicShag Harbour, Nova Scotia; approximate water pin4 October 1967
The Max Headroom Broadcast Intrusion: Ninety Seconds Unsolved feature image

Hoaxes, Misidentifications & Media

The Max Headroom Broadcast Intrusion: Ninety Seconds Unsolved

The 22 November 1987 intrusions interrupted WGN briefly and WTTW for about ninety seconds. An attacker probably overpowered microwave programme links; the FCC inquiry found no culprit.

uncertainpublicChicago, Illinois; representative city pin22 November 1987
The Lead Masks Case: Two Technicians on Vintém Hill feature image

Historical Mysteries

The Lead Masks Case: Two Technicians on Vintém Hill

The deaths of Manoel Pereira da Cruz and Miguel José Viana are documented; the note, masks and spiritualist interests are real clues. None establishes poison, murder or paranormal contact.

uncertainpublicMorro do Vintém, Niterói, Rio de Janeiro state; approximate pin17–20 August 1966
Hinterkaifeck: Six Murders and a Century of Speculation feature image

Historical Mysteries

Hinterkaifeck: Six Murders and a Century of Speculation

The Hinterkaifeck victims were found on 4 April 1922 and probably killed on 31 March. Official files establish the crime and extensive inquiry, not the identity or movements of the murderer.

uncertainpublicFormer Hinterkaifeck farm near Gröbern, Bavaria; approximate pin31 March–4 April 1922
The Bridgewater Triangle: How a Folklore Region Took Shape feature image

Folklore & Legends

The Bridgewater Triangle: How a Folklore Region Took Shape

Loren Coleman popularised the Bridgewater Triangle as a regional paranormal zone. Its component stories vary greatly in age and evidence, and the boundary expanded through retelling.

folklorepublicHockomock Swamp, southeastern Massachusetts; representative pinTerm popularised in the 1970s; stories span earlier and later periods
The Great Amherst Mystery: Esther Cox and a Printed Haunting feature image

Hauntings & Apparitions

The Great Amherst Mystery: Esther Cox and a Printed Haunting

The Amherst case rests chiefly on Walter Hubbell’s participant narrative of noises, fires, messages and moving objects around Esther Cox. Some incidents had witnesses; controls were poor.

disputedpublicAmherst, Nova Scotia; representative town pin1878–1879