Dallas Police Fatally Shoot Security Guard Hired by Rep. Crockett

Suspect falsely represented himself as federal agent, had criminal history

Mar. 17, 2026 at 9:41am

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A 39-year-old man killed in a standoff with Dallas police last week was a member of Rep. Jasmine Crockett's security team, her office confirmed. The suspect, identified as Diamon-Maziarre Robinson, was wanted on multiple felony warrants and had falsely represented himself as a federal agent using false identification. Police say Robinson was in possession of stolen weapons and government license plates.

Why it matters

This incident raises concerns about security protocols for members of Congress and the ability of individuals with criminal histories to gain access to positions of trust. It also highlights the need for improved vetting and oversight of private security contractors hired by lawmakers.

The details

Police say Robinson falsely represented himself as an agent of a non-existent 'special dignitary police' agency, using fraudulent identification to hire legitimate off-duty police officers. He was wanted on two felony theft warrants and a parole violation from around 2017, and was also accused of driving vehicles with stolen government license plates and possessing several stolen weapons, including the firearm he brandished during the standoff.

  • On Wednesday night, Dallas police engaged in an hours-long standoff with Robinson in a hospital parking garage.
  • Robinson was fatally shot by SWAT officers after he exited his vehicle with a firearm and allegedly pointed it at police.

The players

Rep. Jasmine Crockett

A Texas Democrat whose security team included the suspect, Diamon-Maziarre Robinson, who was known to them as 'Mike King'.

Diamon-Maziarre Robinson

The 39-year-old suspect who was fatally shot by Dallas police during a standoff. He had falsely represented himself as a federal agent and had a criminal history including felony theft warrants and parole violations.

William Kenneth

The Dallas Police Department Chief who provided details about the investigation and standoff during a press conference.

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What they’re saying

“We are saddened and shocked by some of the concerning revelations.”

— Rep. Jasmine Crockett's office

“What we're now learning about his past doesn't fit the person we came to know as Mike King.”

— Rep. Jasmine Crockett's office

What’s next

The Dallas Police Department and other law enforcement agencies will continue investigating the full extent of Robinson's criminal history and how he was able to gain access to a position providing security for a member of Congress.

The takeaway

This incident highlights the need for more rigorous vetting and oversight of private security contractors hired by lawmakers, as well as the importance of improving security protocols to prevent individuals with criminal backgrounds from gaining access to positions of trust.