ESCANABA, MICHIGAN- A mom and her boyfriend pleaded guilty to abusing her 15-year-old son who was kept inside a house in a makeshift room and tortured and abused for four-years. The boy was a prisoner in his house and rarely left a room made from tarps. He was rescued in April. The woman and man were not named to protect the boy's identity. Both face sentencing in August. They pleaded guilty to various charges after waiving their right to a key hearing to determine if there was enough evidence for a trial.