Updated: South County Woman Attacks Grandmother She Thought Was a Demon

A South St. Louis County woman is accused of throwing down her 92-year-old grandmother and stomping on her, breaking both her arms and eight ribs Nov. 12.

Rachel Armstrong, 37, of the 10000 block of Golf Crest in South County's Sappington area, was charged Thursday with first-degree elder abuse.

St. Louis County Police said Armstrong admitted to throwing down her grandmother and stomping on the woman Nov. 12, also in the 10000 block of Golf Crest. Armstrong told police she believed her grandmother was a demon, according to a report from KMOV.

Armstrong was being held Tuesday in St. Louis County jail. Bail was set at $75,000, cash only.

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