Security Guard Killed in Dallas SWAT Standoff at Children's Hospital

Longtime guard for Congresswoman Jasmine Crockett shot by police after barricading himself in vehicle

Mar. 16, 2026 at 11:18am

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A man who served as a longtime security guard for Dallas Democratic Congresswoman Jasmine Crockett was shot and killed by Dallas police after barricading himself inside a vehicle in a parking garage at Children's Medical Center Dallas and pointing a gun at officers.

Why it matters

The incident raises questions about the use of force by police and the potential risks of off-duty security work, especially when an individual may be impersonating law enforcement.

The details

On March 11, the Dallas Police fugitive task force was conducting a surveillance operation when they followed a suspect with an active warrant to the parking garage. The suspect, identified as 39-year-old Diamon-Mazairre Robinson, barricaded himself in his vehicle, prompting a SWAT response. When Robinson exited the vehicle and pointed a gun at officers, he was shot and killed. No officers were injured, and the hospital was briefly placed on lockdown.

  • The incident occurred around 11 p.m. on Wednesday, March 11, 2026.
  • Dallas Police Chief Daniel Comeaux held a press conference on Thursday morning to provide details.

The players

Jasmine Crockett

A Dallas Democratic Congresswoman whose longtime security guard was involved in the incident.

Diamon-Mazairre Robinson

A 39-year-old man who was the subject of the police operation and was shot and killed by Dallas SWAT officers.

Daniel Comeaux

The Dallas Police Chief who provided details about the incident at a press conference.

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What they’re saying

“They came across a target that ended up being a barricaded suspect. At that time, they tried to use tear gas to bring the suspect out. He came out of the vehicle, he had a gun, he pointed a gun towards officers. Officers shot and fired. He was pronounced dead at the scene.”

— Daniel Comeaux, Dallas Police Chief (audacy.com)

What’s next

The investigation into the incident and Robinson's background is ongoing, with authorities looking into his alleged impersonation of a law enforcement officer.

The takeaway

This tragic incident highlights the potential risks and complexities involved in off-duty security work, especially when an individual may be misrepresenting their law enforcement credentials. It raises important questions about police use of force and the need for robust oversight and accountability measures in the security industry.