Police: Woman tampered with baby food

updated 12:55 p.m. ET Feb. 18, 2009

TAMARAC, Fla. - A woman was caught injecting foul-smelling liquid into baby food in a Florida supermarket, authorities said Wednesday.

50-year-old Shirley Ybarra was spotted Tuesday night by Publix employees adding a black liquid that smelled like ammonia to the baby food and juice containers, the local sheriff's department said.

Sheriff's deputies said Ybarra told the employees she was mixing food for her son — but her son is 21.

Deputies said it didn't appear that she had tampered with baby food in any other stores and that the public is not at risk.

The woman was taken for a mental evaluation, then to jail and charged with poisoning food or water. She's also accused of violating her probation on a charge of aggravated battery after a stabbing in 2006.

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