Iowa woman pleads not guilty to bloody store rampage

By Mike Bunge

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    MASON CITY, Iowa (KIMT) — The woman accused of making a bloody mess at a Mason City convenience store is pleading not guilty.

Cheri Rae Decker, 32 of Mason City, is charged with first-degree criminal mischief and assault causing bodily injury or mental illness.

Investigators say that a naked Decker entered the Casey’s General Store in the 800 block of North Federal at around 9:30 am on December 19, 2025. Law enforcement says Decker was covered in blood and assaulted a man, knocked over a shelving unit, broke glass bottles, threw items at employees, and covered multiple store items with blood.

The store had to close for a couple of weeks so a professional cleaning crew could be brought in.

No trial date has been set for Decker.

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