OKEECHOBEE, Florida ( WPBF ) — Authorities are investigating past allegations against an Okeechobee babysitter now accused of poisoning an infant.

According to court records, 59-year-old Anna M. Adamo is charged with attempted first-degree murder, among other charges, after detectives claim she poisoned an infant with antifreeze earlier this year.

WPBF 25 News has obtained records from the Okeechobee County Sheriff’s Office that show Adamo was questioned in a separate 2014 investigation where an infant was hospitalized. Those records allege the infant appeared unwell after his parents reportedly picked him up from Adamo’s home.

However, despite doctors suspecting poisoning, no charges were filed.

According to the incident report, a detective with the OCSO responded to a Department of C

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