AN AMERICAN citizen “associated with the secret service” has left the UK despite “assurances” from his employer that he would not leave after a car crash that left a nurse unable to walk.

However mystery still surrounds his profession, after he was described as a soldier at a court hearing.

Issac Calderon was due to appear at Kidderminster Magistrates’ Court on December 1 charged with causing Elizabeth Donowho serious injury by dangerous driving in a collision in July.

The Hereford Times was present at the hearing, which Calderon failed to attend. Click here to read more.

West Mercia Police told Ms Donowho that the 22-year-old suspect had been carrying out work “associated with the secret service” and working on matters “that might come under the Official Secrets Act” prior to the crash on the A4103 near Shucknall in Herefordshire on July 31.

The force also told the 56-year-old that the “extradition process” has now commenced after Calderon left the country to return to Houston, Texas, in the US on a commercial flight on November 25.

Police also told Ms Donowho they had received “assurances” from his employer that he would not leave the country, but did not specify who the employer was.

Ms Donowho, of Malvern, Worcestershire, said she was left unable to walk for six weeks after the collision – in which she broke both of her ankles, as well as suffering a fractured sternum and a broken bone in her hand.

The suspect’s occupation was given as an American soldier during December’s court hearing, however West Mercia Police said it was unable to confirm his profession when approached by the Hereford Times.

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Calderon has been described as a “private citizen” by the US Embassy and police said he had been in the UK on a work visa.

The PA news agency said it understands there are no issues surrounding diplomatic immunity in the case.

It is understood police were not advised of any intention Calderon had of leaving the UK.

He had been interviewed on August 15 by officers, 15 days after the initial crash as he had required immediate hospital treatment.

Confirming Calderon’s departure, West Mercia Police said: “On Friday 1 December 2023 at Kidderminster Magistrates’ Court a warrant was issued for the arrest of Issac Calderon, 22, who is wanted for failure to appear at court on a charge of causing serious injury by dangerous driving.

“Mr Calderon is an American citizen who, we understand, was in the UK on a work visa.

“Our inquiries have established that he left the UK on November 25 and flew to the United States.

“We are engaging with his solicitor to inform him of the warrant and the need for him to return to the UK.

“We have also prepared appropriate paperwork should we need to request extradition, to ensure that the case can be heard in court.”

The case follows that of Anne Sacoolas, who was able to leave the UK when diplomatic immunity was asserted on behalf by the US government after killing teenage motorcyclist Harry Dunn in August 2019 while driving on the wrong side of the road.

A US Embassy spokeswoman said: “The US Embassy does not comment on law enforcement matters involving private US citizens.

“The US and UK co-ordinate closely on law enforcement matters.”

The Home Office said it would neither confirm nor deny whether an extradition request had been made until the suspect had been arrested, as a matter of longstanding policy and practice.