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3-1-2026 Iowa Marshalltown 4-1
March 1, 2026
Location
100 block of N 11th Ave
Marshalltown, Iowa
Marshalltown, Iowa
Incident Characteristics
- Shot - Wounded/Injured
- Shot - Dead (murder, accidental, or suicide)
- Mass Shooting (4+ victims injured or killed excluding the subject/suspect/perpetrator, one location)
District Information
Congressional District:
4
State Senate District:
26
State House District:
52
Victims
Name:
Gage Duane Gersema
Age:
33
Age Group:
Adult 18+
Gender:
Male
Status:
Killed
Status:
Injured
Status:
Injured
Status:
Injured
Subjects-Suspects
Name:
Allen James Hart
Age:
29
Age Group:
Adult 18+
Gender:
Male
Status:
Unharmed/Arrested
