YOGTZE case
| Native name | YOGTZE-Fall |
|---|---|
| English name | YOGTZE case |
| Date | October 26, 1984 |
| Time | Approximately 03:00 (CET) |
| Location | Near Hagen-Süd, Westphalia, West Germany (now Germany) |
| Also known as | BAB-Rätsel (Autobahn Riddle) |
| Type | Death, unsolved mystery |
| Motive | Unknown |
| Target | Günther Stoll |
| Perpetrator | Unknown |
| First reporter | Two truck drivers |
| Participants | Günther Stoll, unknown others |
| Outcome | Death of Günther Stoll, unsolved case |
| Casualties | |
| 1 (Günther Stoll) | |
| Deaths | 1 |
| Property damage | Damage to Günther Stoll's vehicle |
| Inquiries | Police investigation |
| Arrests | 0 |
The YOGTZE case (German: YOGTZE-Fall, also BAB-Rätsel, "Autobahn Riddle") refers to the death of unemployed German food engineer Günther Stoll, which occurred on 26 October 1984. Stoll died in mysterious circumstances, and the case is unsolved. In April 2025, the case was closed as accidental, after new searchings revealed that it was most likely a single-car accident.