206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Karl Derek Thau

Death by Force
Case Description
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In the summer of 2025, a domestic dispute in a north Phoenix home escalated to a fatal conclusion, ending the life of 60-year-old Karl Derek Thau. On the evening of July 28th, police were called to a residence near 14th Street and Topeka Drive around 7:41 p.m. following reports of a shooting. Upon their arrival, they discovered Thau unresponsive, having sustained an apparent gunshot wound.

Phoenix Fire Department paramedics arrived at the scene and pronounced Thau deceased. During their i ...Read More
Links to Additional Sources (11)
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  • 12news.com: 85-year-old arrested for allegedly shooting son-in-law in Phoenix
  • FOX 10 Phoenix: Father-in-law accused of killing son-in-law in north Phoenix shooting: PD
    •     ...View 9 additional sources
    Victim Details

    Karl Derek Thau

    Male

    Phoenix

    AZ

    2025-07-28

    60

    Karl

    Derek Thau

    11/29/2025

    Forum Posts (1)
    Has anyone else been thinking about the impact on the family in this case? It must be incredibly dif... ...Read More
    08/17/2025
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