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Former Weber CSI agent sent to prison on child sex abuse, voyeurism charges

By Mark Shenefelt - | Sep 22, 2022

Photo supplied, Davis County Jail

Marc Swain

FARMINGTON — A former Weber County crime scene investigator has been sentenced to prison for sexually abusing a preteen girl and surreptitiously shooting video of the child undressing.

Judge Michael DiReda on Wednesday sentenced Marc Swain, 49, of Ogden, to a pair of one-to-15-year terms in the Utah State Prison for the crimes. DiReda ordered that the sentences run concurrently, meaning Swain will serve at least two years behind bars.

In July, Swain pleaded guilty to sexual abuse of a child and sexual exploitation of a minor, both second-degree felonies. Plea documents filed in 2nd District Court said Swain admitted to touching the genitals of the child sometime in 2020 and recorded video of the girl while she was naked in a bathroom in 2020 or 2021. In return for the guilty pleas, prosecutors dropped several other charges.

Ogden police were called to Swain’s home in early 2021 after the girl reported to her mother that she found a hidden USB camera in her bathroom. Swain was investigated by Layton police after the Ogden Police Department referred the case to the other agency because of Swain’s professional ties in Ogden.

Swain was an investigator with Ogden Metro Crime Scene Investigations. The Weber County Sheriff’s Office put Swain on leave after his arrest and he later lost the job.

The exploitation and voyeurism charges were filed in March 2021. After further investigation, prosecutors in August 2021 filed the sexual abuse allegations.

Swain was out of jail on bail for several months after the initial charges. But after the sex abuse allegations arose, DiReda ruled that Swain would be incarcerated pending trial. Swain had expressed suicidal inclination and retrieved a gun from his home when he learned that sexual abuse charges were pending, according to court records. Police took the gun from him and he was involuntarily committed for psychiatric evaluation for a few days.

DiReda gave Swain credit for time served in jail and ordered that he undergo sex offender treatment at the prison.


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