At approximately 10:00 p.m., the 16-year-old son of the woman telephoned emergency personnel after discovering his mother lying face-up on a bed in the apartment they share in Minami Ward.
According to police, the woman had been stabbed in the chest. A knife was found at her feet. She was confirmed dead by police at the scene.
With no signs of struggle apparent, police are considering the possibility that the woman committed suicide.
The son had departed for work from the apartment at approximately 6:00 a.m. that morning. He found his mother after returning home. The eldest daughter of the woman (20) also resides in the apartment.
An autopsy has been ordered to determine the cause of death.