Peterson Drew Matheson, 30, was booked into the Utah County Jail on multiple charges Wednesday related to a fatal “road rage” incident in Eagle Mountain over the weekend.

Matheson, of Eagle Mountain, surrendered himself to the Utah County Sheriff’s Office earlier in the day and has been charged with two counts of manslaughter, a second degree felony, and one count of reckless driving, a class B misdemeanor. He is being charged with the deaths of Rodney Michal Salm, 48, and Michaela Himmleberger, 47, of Salt Lake County.

Matheson, driving a Ford F-150, collided with a Porsche 911 being driven by Salm while Himmleberger was in the passenger seat.

According to the sheriff’s office, the driver of the F-150 became involved in a road rage incident with the driver of a Nissan Maxima. The driver of the Nissan told the sheriff’s office that the F-150 pulled in front of him while driving north on Eagle Mountain Boulevard until turning onto state Route 73.

“The driver of the F-150 then rammed the Maxima from the side. The driver of the Maxima then began to stop. At this point it appears the driver of the F-150 lost control, crossed the center line, and crashed head on into a 1987 Porsche 911 that was driving west,” reads the sheriff’s office release.

Matheson was initially brought to Intermountain Medical Center in Murray and was released at an unspecified time prior to Wednesday morning, according to UCSO Sgt. Spencer Cannon.

Cannon told the Daily Herald that Matheson’s family and attorney were “not telling us” his status until Matheson contacted the department and offered to turn himself in.

Charges were determined by the sheriff’s office, though Cannon added that the Utah County Attorney’s Office was aware of the case and preparing charges.

“We’ll evaluate the evidence, see what seems to match the best and submit the case to the prosecutor’s office,” Cannon said. “Ultimately, what is filed with the court is the determination made by the county attorney’s office.”

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