EVERETT — A Marysville man, 69, has admitted to raping an 11-year-old girl.

Darrell Lynn Arp led the girl behind a security fence at an empty lot on State Avenue in Marysville. Two people stopped their vehicle to investigate. They recorded the encounter on a cell phone. The man recently pleaded guilty to first-degree rape of a child. He faces up to 10 years in prison. Arp doesn’t have any previous criminal convictions, although he admitted to other encounters with the girl. He denied that he’d abused other children.

The witnesses told police they looked over the fence and saw the clothed girl sitting on Arp’s lap. They asked the man what he was doing.

“We’re just playing,” Arp said.

The girl and the defendant quickly left, hopping on bicycles. A detective used the video to create snapshots of the victim and showed them to staff at an elementary school. The victim was identified, and police later used social media to identify Arp, court records say.