Cadance Langley

In the quiet desert landscape southeast of Safford, Arizona, a grim discovery was made by quail hunters on October 26, 2020. They found the remains of a young female, later identified as 14-year-old Cadance Langley, a Caucasian girl with autism. Her body had been placed in a bag and left in a box partially submerged in water near some corrals off Artesia Road. The initial investigation was hampered by the difficulty in identifying the deceased, who for a time was known only as a Jane Doe.
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The Gila Herald: Mother charged with first-degree murder in 2020 Safford cold case killing of autistic daughter - The Gila Herald

Eastern Arizona Courier: Mother charged with murder in 2-year-old cold case