EAST ST. LOUIS, Ill. (AP) — A transgender prisoner is suing Illinois Department of Corrections, accusing it of doing too little to protect her from abuse for over 15 years and requesting an order transferring her to a women’s prison.

Lawyers for the MacArthur Justice Center and Uptown People’s Law Center filed the 24-page lawsuit Tuesday in southern Illinois on behalf of the prisoner referred to her by a pseudonym, “Tay Tay.” She’s serving a sentence for armed robbery.

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Plaintiff lawyer Sheila Bedi says Tay Tay faced assaults and constant taunts because of what Bedi calls “the IDOC’s systemic failure” to keep transgender inmates safe. The filing says a cellmate once raped Tay Tay.

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IDOC didn’t immediately respond to a request for comment.

A similar lawsuit led to a rare transfer of transgender prisoner Strawberry Hampton to a women’s prison last year.

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