A mother and her boyfriend plead guilty to manslaughter and other related charges of a 9-month-old on Monday.
Rodriguez and Herrera were arrested on child abuse charges after the mother's 9-month-old boy died on May 14, 2017.
Back in May 2017 the 9-month-old baby was under the supervision of Salma Rodriguez and her boyfriend Ivan Portillo Herrera.
Tucson Fire responded to a report of an unresponsive child inside an apartment at 2800 S. Mission Road.
Detectives continued the investigation and determined the child's injuries were consistent with abusive head trauma.
The baby died from his injuries on May 14.
Rodriguez and Herrera sentencing will be on August 12.