MIAMI (CBSMiami/AP) – A 32-year-old nursing assistant is accused of sexually assaulting four patients including one in a wheelchair and other disabled by a stroke at health care facilities in Florida where he’s worked over the past three years.

Clearwater police spokesman Rob Shaw tells the Tampa Bay Times that Falo Kane was brought in for questioning on Monday, confessed to the assaults and wrote an apology letter to the women. Shaw says they’re concerned there could be other victims.

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Police reports say two incidents happened in 2016 and two others this year.

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Pinellas County Sheriff’s officials say Kane was arrested on charges of inappropriately touching a hospital patient in 2018. Hospital officials say they suspended him when a patient complained, but they didn’t know about his arrest.

Jail records don’t list a lawyer for Kane.

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