Dallas Congresswoman Confirms Security Guard Killed by Police Used Fraudulent ID

Jasmine Crockett says her team was unaware 'Mike King' was actually Diamon Mazairre Robinson, who had a criminal history.

Mar. 17, 2026 at 1:33pm

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Democratic U.S. Rep. Jasmine Crockett confirmed that a 39-year-old man killed in a standoff with Dallas police last week was a member of her security team who had been using a fraudulent identity. The man, Diamon Mazairre Robinson, had been living under the name 'Mike King' for years and operated security businesses that hired off-duty officers. Robinson's real identity was exposed after a vehicle with stolen government plates he was driving was spotted by a Dallas officer six months earlier.

Why it matters

This case raises questions about security procedures and background checks, especially for high-profile political figures. It also highlights the challenges of identifying individuals using false identities and the potential risks posed by those with criminal histories gaining access to sensitive positions.

The details

Robinson fled from Dallas police who attempted to pull him over on March 11, leading to an hours-long standoff in a hospital parking garage. After negotiators failed to de-escalate the situation, officers shot and killed Robinson when he stepped out of the vehicle and drew a handgun. Crockett said her team was unaware Robinson had been acting under an alias, but that he had always maintained positive community relationships and never gave anyone reason to suspect his identity was misconstrued.

  • On March 11, Dallas police attempted to pull over Robinson, leading to a standoff.
  • Robinson was killed by police in the hospital parking garage standoff on March 11.

The players

Jasmine Crockett

A Democratic U.S. Representative who confirmed that Robinson was a member of her security team.

Diamon Mazairre Robinson

A 39-year-old man who was killed in a standoff with Dallas police, and had been using the fraudulent identity of 'Mike King' to operate security businesses and provide security for Crockett.

William Kenneth

A Dallas Police Department Deputy Chief who said investigators did not discover Robinson's true identity until after Crockett's campaign for the U.S. Senate race had ended.

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What they’re saying

“What we're learning about his past doesn't fit the person we came to know as Mike King. His death evokes a range of emotions. Our hearts grieve the loss of someone we knew and the lost good that could have come from his redemption.”

— Jasmine Crockett, U.S. Representative

What’s next

Investigators are continuing to look into Robinson's background and criminal history to determine the full extent of his fraudulent activities.

The takeaway

This case highlights the importance of thorough vetting and background checks, especially for individuals in sensitive security roles. It also raises concerns about the potential risks posed by those using false identities to gain access to positions of trust and authority.