Salt Lake City police defend not arresting Ahn Pham after initial hit-and-run case


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SALT LAKE CITY — The Salt Lake Police Department is defending itself in the case of the man accused of a string of hit-and-runs in the city and questions about why Ahn Pham wasn't arrested after the initial hit-and-run last August.

A department spokesman told KSL that the case was investigated as an aggravated assault. But, it was determined that there wasn't enough probable cause to arrest Pham, despite having a license plate number, a victim and two witness accounts of what happened.

"It's not fair to say that we failed to do anything," said Brent Weisberg, spokesman for the Salt Lake City Police Department. "Our officers, our detectives aggressively investigated this case back then, and we were continuing to work on this case. There are a lot of situations involved in this particular case that ultimately did not result in an immediate identification of the suspect nor result in charges. That's not an indication of failure, by any means, by our police department."

Pham is accused of hitting five more people after this case from August. This initial one happened at 1000 West and 500 South.

KSL went seeking answers after the probable cause statement said that the victim, Samantha Mathews, told police that Pham allegedly tried to lure her into his car. When she refused, Mathews told police that the car sped up and hit her.

"Every single case, before we submit it, there are very certain strict legal requirements for us to make sure that we are achieving before we can submit a case to the district attorney's office — before we can arrest somebody," he said.


There are a lot of situations involved in this particular case that ultimately did not result in an immediate identification of the suspect nor result in charges. That's not an indication of failure, by any means, by our police department.

–Brent Weisberg, Salt Lake City Police Department.


Weisberg said that after the accident, police put out "an attempt to locate" call to every other police agency in Salt Lake County for Pham; they also had his license plate.

Weisberg said that no information ever came back from the attempt to locate. However, Weisberg couldn't say if detectives ever went looking for Pham.

Detectives worked on the case for two months and eventually closed the case in October 2023, Weisberg said.

"We want to make sure that every time we submit a case to the district attorney's office, the investigation is complete. We're not going to submit an incomplete investigation that doesn't do anyone any justice. And so, in the interest of justice, our detectives did close out the case pending additional follow-up," he said.

Weisberg added that they had no other indication at the time that there were any other crashes tied to Pham.

"Our detectives with our Robbery and Violent Crime Squad were working to contact witnesses to work with the victim who was hit. ... But we wanted to make sure that we were doing everything we could to investigate this case properly," he said.

The locations of four hit-and-run incidents police say were all done by the same person.
The locations of four hit-and-run incidents police say were all done by the same person. (Photo: KSL-TV)

Weisberg also said that once authorities started to connect the cases to Pham, they had a "break in the case," in March.

He said that from January of this year, they then went back and looked at every unsolved hit-and-run case.

As for why a public alert wasn't set out after the initial case, Weisberg said they "didn't want to create a greater public alarm than necessary."

"When there is known public safety risk, and there is articulable information that can and should be provided to the public, we will absolutely act accordingly to help ensure public safety," he said.

Meanwhile, Pham was in court again today. A judge set his detention hearing for May 9.

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Lindsay Aerts, KSLLindsay Aerts
Lindsay is a reporter for KSL who specializes in political news. She attended Utah State University and got a degree in Broadcast Journalism.
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