The first witness was Patrick Clancy, her former husband, who found the children's bodies after returning home on the day of the killings.
The parents and grandmother of a boy who was found dead inside an ice-filled cooler in Southern California were charged with murder and torture.
A mother was charged with felony murder after her 9-year-old daughter was left in a hot car in July in Texas. She was arrested on Friday, according to law enforcement.
A woman in western Pennsylvania has been charged with criminal homicide, involuntary manslaughter, and abuse of a corpse after the remains of her four infants were discovered.
Officials say the girl died from hyperthermia after being left in a hot car for hours this weekend.
A woman from Havertown, Delaware County is facing charges in connection with the death of her three-year-old daughter in Maine.