|Diane Van Reeth|
|Disappeared||August 10, 1996|
|Missing for||21 years|
Diane Van Reeth was a woman native to Tucson, Arizona. She was possibly murdered by her husband, John Kalhauser, who also may have murdered Brenda Gerow. He was convicted of murder and attempted murder. Kalhauser was also convicted of second-degree murder of Diane.
- Van Reeth's case was shown on Who Killed Jane Doe? when Brenda Gerow was the subject of the episode.