A second Colorado woman pleaded guilty on Tuesday to defrauding relatives of the dead as part of a scheme in which a funeral home sold body parts without permission, a practice exposed by a 2018 Reuters investigative report.

Shirley Koch, 69, pleaded guilty to fraud in federal court in Grand Junction, Colorado. Under a plea deal, Koch agreed not to contest a sentence of five to six years in prison. Koch worked with her daughter, Megan Hess, who operated a funeral home and body parts business from the same building in Montrose, Colorado.

One victim who spoke in court, Judy Cressler, said that she paid $2,000 to Koch and Hess for her father's remains to be cremated in 2015. Cressler later learned from the FBI that the ashes she received were not her father's, and that his corpse was sold for use in a human body exhibit in a museum overseas.

"His entire body was sold by Hess and Koch to a plastination center in Saudi Arabia for the price of a cheap used car," Cressler said. "Because of the greed of these two grave robbers, my family will never be able to get my father's body back."

Hess, 45, pleaded guilty to fraud July 5, but did not reach a deal on her sentence. Prosecutors are seeking 12 to 15 years in prison. Hess is seeking a term of about two years. A federal judge is expected to sentence both women in the coming months.

Koch admitted Tuesday that through Hess' funeral home, Sunset Mesa, she helped defraud at least a dozen families seeking cremation services for deceased relatives. Instead of cremating the bodies, court records show, her daughter's body broker company, Donor Services, harvested heads, spines, arms and legs and then sold them, mostly for surgical training and other educational purposes.

"I take full responsibility for my actions," Koch said in brief remarks in court. She did not express remorse.

The Reuters series uncovered the unusual arrangement of a funeral home business also operating as a body-part broker. In interviews, former employees described how bodies were dissected without the knowledge or consent of families. Shortly after the Reuters stories, the FBI raided the business and state regulators closed the funeral home and crematory.

In the United States, selling organs such as hearts and tendons for transplant is illegal. But the sale of body parts for use in research or education, which is what Hess and Koch did, is not regulated by federal law. Few state laws provide any regulation, and almost anyone can dissect and sell human body parts. After the Reuters investigation, Colorado's legislature strengthened the state's oversight.