Arizona's workplace safety agency has launched a full investigation into the rape of a teacher inside a state prison classroom.
The teacher was alone in a classroom with no guard nearby on Jan. 30 when a convicted rapist assaulted her.
The rape was highlighted in a report June 19 report by The Associated Press.
The Arizona Division of Occupational Safety and Health confirmed it began a formal inspection of the Arizona Department of Corrections on Wednesday after reviewing the case as a result of the AP reports.
Agency spokeswoman Abbie Fink says the agency can't comment further on the investigation until it is concluded. Such cases can take many months to complete.
Prison officials say they will cooperate with any investigation.
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