Story perspectives

Chief Fires Officer After Armed Trump-Shirt Protest Incident

5/15/2026

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Summary

Story summary

Chief Matthew Giordano terminated Sergeant Dusten Mullen after an investigation of his conduct at an anti-ICE protest in Chandler.
Mullen was masked, armed with a handgun, and wore a U.S. President Donald Trump 2024 shirt confronting protesters.
The Maricopa County Attorney’s Office said the teenager who threw water at Mullen will not be charged.
Mullen has filed a lawsuit claiming retaliation, alleging that the investigation was rushed and politically motivated.

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Story summary

Chief Matthew Giordano terminated Sergeant Dusten Mullen after an investigation of his conduct at an anti-ICE protest in Chandler.
Mullen was masked, armed with a handgun, and wore a U.S. President Donald Trump 2024 shirt confronting protesters.
The Maricopa County Attorney’s Office said the teenager who threw water at Mullen will not be charged.
Mullen has filed a lawsuit claiming retaliation, alleging that the investigation was rushed and politically motivated.