Janet Tyburski pleaded guilty Wednesday to killing her 26-year-old daughter who was found dead in a North Ridgeville field in 2015.
Tyburski, 45, faces 19 years to life in prison.
Rachele Tyburski was found partially clothed in a field off of Victory Lane on March 15, 2015.
Police said investigation revealed that she was likely killed in the early morning hours of March 13 and dumped in the field two days later.
Authorities believed Janet murdered her daughter at their home in Lakewood and then dumped her body in the field.
Lorain County Coroner Stephen Evans said Rachele likely died from suffocation. She was also beaten.
Hannah Tyburski, Rachele's sister, is also facing charges in the woman's death.
Petek said Janet picked Hannah up from Oberlin College the day after she killed Rachele. Early the next day, the two dumped Rachele's body in the field. Then, Janet drove Hannah back to school.
Hannah is due back in court April 11.