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KERRVILLE, Texas (WFAA/CNN) - A so-called "killer nurse" convicted nearly 30 years ago of killing an infant in her care could be released from prison early.

In 1984, a Texas jury convicted Genene Jones of killing a 15-month-old girl. She was sentenced to 99 years in prison.

Jones was suspected of killing dozens of kids with drug injections, but she was only charged and convicted in the killing of Chelsea McClellan in Kerrville, north of San Antonio.

Unless she's convicted in another crime, she could be released within the next five years thanks to a Texas law designed to ease prison over-crowding. The mandatory release law has since been changed to exclude violent criminals from early release. But those convicted between 1977 and 1987, including Jones, still qualify for automatic release.

A lawyer and victim's advocate tells CNN two women have already come forward, questioning whether Jones killed their children as well.