Karissa Fretwell case: Surveillance video reveals disturbing details in presumed murder of Oregon woman and 3-year-old son

Surveillance footage and cellphone records helped link an Oregon man now charged with murder to the disappearance of a 25-year-old woman and her 3-year-old son, KTPV reports.

Suspect Michael John Wolfe, 52, initially told detectives he worked his entire 6:30 p.m. to 6:30 a.m. shift at Cascade Steel in McMinnville on May 13, the same night Karissa Fretwell and the pair's son, William "Billy" Fretwell, were last heard from.

However, security video from Wolfe's place of employment shows the suspect leaving the premises in a golf cart on the evening of May 13, right in the middle of his shift, KTPV reports.

In the footage, Wolfe travels to a carpenter shop and walks behind some shrubs to the area of the business parking lot, an act which security workers described as "outside of protocol."

Wolfe then returns out of the same bushes at 2:35 a.m. on May 14 while carrying a white trash bag containing unknown items. He again leaves the main building from a different door while wearing his work shirt at 2:52 a.m. and carrying the trash bag, which is not consistent with his prior statement that he was at work during his whole May 13 shift.

Additionally, cellphone records obtained by police show that Wolfe and Fretwell's phones were in approximately the same locations during multiple occasions that night and the following morning, although he previously told police he had no recent contact with her.

Wolfe was charged Friday with two counts of aggravated murder and two counts of kidnapping following the disappearance of Fretwell and Billy.

Wolfe, who is married to another woman, was established as Billy's biological father through a DNA test in 2018 after Fretwell filed a petition to establish the boy's paternity. He was ordered to pay Fretwell nearly $1,000 a month in child support approximately one month ago, according to a probable cause affidavit.

"Based on the interviews of Karissa’s family and friends, I believe the only known person who would benefit from the disappearance or criminal homicide of Karissa and William is Michael," an investigator wrote in the court filing.

Megan Harper, one of Fretwell’s friends, told the station the missing woman and Wolfe had an affair while working together at the local steel mill and that the two were locked in a "custody battle."

"There was never a relationship there," Harper said. "She never knew he was married until after a couple weeks of her being pregnant. Then he offered to pay for an abortion."

"My first thought when she first went missing was that he'd done something," she added.