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HOLLYWOOD (CBSMiami) – A ninth death is now part of a criminal investigation into the Rehabilitation Center of Hollywood Hills.

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Eight patients died last week after sweltering in the facility for several days because it was without air conditioning after Hurricane Irma.

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A 93-year-old man died Tuesday. However, the Medical Examiner told The Sun Sentinel it was not conclusive that heat exposure was the cause of death.

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Lawsuits are mounting against the facility operators and so is the anger felt by families who say this was a preventable tragedy. They’re calling for change in the industry.