One of six people charged by Pennsylvania authorities this year with sexually abusing a boy at "furry parties" has pleaded guilty in federal court to child sex trafficking.

David R. Parker, 38, of Saylorsburg, Monroe County, was charged in U.S. District Court in Scranton this month and entered a guilty plea to a single count of child sex trafficking in an agreement approved Monday by U.S. District Judge James Munley, according to court records.

Prosecutors have agreed to recommend a 30-year prison sentence, which would spare Parker the possibility of life behind bars, according to court documents.

A charging document said Parker enticed a boy under age 18 to engage in commercial sex acts between June and August 2010. An attorney listed for Parker has not responded to a request for comment.

Parker's charges in federal court came after state authorities charged him as part of a ring of child predators, some of whom dressed as animals at "furry parties," according to the Pennsylvania Attorney General's Office.

Kenneth C. Fenske, 57, of Milford Township, Bucks County, was arrested in January and later ordered to face trial for allegedly raping the boy in 2009 at furry parties where he dressed as a red fox, prosectors said.

Charged with Fenske were Jeffrey Harvey, 40, of West Wyoming, Luzerne County; and roommates from Henrico, Va., Craig Knox, 35, and Stephen Taylor, 30.

Pennsylvania authorities subsequently charged Parker and Paige Wren Tasker, 27, of Mechanicsburg, Cumberland County;

The attorney general's office said Tasker had a brief relationship with Parker. In 2015, Tasker visited Parker in Saylorsburg. During the visit, she slept in the boy's bed and sexually assaulted him, according to the attorney general's office.

The boy now is 16 and is receiving treatment and counseling, the Attorney General's Office said.