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

Michael Sandberg

Death by Force
Case Description
Any updates on this case? Let us know!
On November 3, 1973, a tragic and violent series of events unfolded in Tucson, Arizona, culminating in the death of 28-year-old Marine Captain Michael Sandberg. The day began with two men, Douglas Gretzler and Willie Steelman, kidnapping a man named Vincent Armstrong. Armstrong managed to escape from his moving vehicle and alert the authorities. His captors then proceeded to a condominium complex where they encountered Michael Sandberg washing his car in the parking lot.

Forcing Sandberg ...Read More
Links to Additional Sources (10)
See any mistakes? Let us know!
  • Los Angeles Times: Arizona Executes Man for Killing Couple in 1973 Rampage
  • Douglas Gretzler - Wikipedia
    •     ...View 8 additional sources
    Victim Details

    Michael Sandberg

    Male

    Tucson

    AZ

    1973-11-03

    28

    Michael

    Sandberg

    11/28/2025

    Forum Posts (1)
    I've been thinking a lot about the brave act by Vincent Armstrong, the hitchhiker who managed to esc... ...Read More
    03/06/2023
    Other Cases from Tucson, Arizona

    Randy Schultz

    Death: May 26, 2025
    In the late afternoon of May 26, 2025, the quiet of Tucson's south side was broken by an act of viol o ...Read More

    Amonn Sandoval

    Death: Nov 08, 2018
    In the fading light of a Thursday evening in Tucson, Arizona, a tragedy unfolded at Lakeside Park th t ...Read More

    Frankie Perez Sanchez

    Death: Nov 21, 2021
    On a Sunday evening, November 21, 2021, the life of 48-year-old Frankie Perez Sanchez, a Hispanic ma m ...Read More

    Raymond Murillo

    Death: Nov 05, 2024
    In the crisp evening of November 5, 2024, a burst of violence shattered the night in Tucson, Arizona n ...Read More

    Michael Garbo

    Death: Oct 04, 2021
    Michael Gale Garbo, a 51-year-old male Drug Enforcement Administration supervisory special agent, ha h ...Read More

    Nathan Gabaldon

    Death: May 03, 2024
    In the early afternoon of May 3, 2024, a series of events tragically culminated in the death of 47-y - ...Read More

    Dean Ryan Marcishak

    Death: Jul 14, 2021
    In the early morning hours of July 14, 2021, a tragedy unfolded in the parking lot of the Green Leaf a ...Read More