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William J. Murdoch, a family practice doctor in Michigan, was arrested by U.S. Marshals in September 2025 after a sting operation uncovered his plot to sexually exploit a 5-year-old child. He was detained at ProMedica Monroe Regional Hospital, where he worked. Key details of the case:The sting operation The Port St. Lucie Police Department in Florida launched an undercover investigation in June 2025. A detective, posing as a mother with two young daughters, communicated with Murdoch online.Explicit messages During the chats, Murdoch allegedly expressed interest in building a relationship with the supposed mother to gain access to her 5-year-old child. Police described the messages as "stomach-churning," detailing his plan to groom the child and "turn the situation sexual".Additional discoveries A forensic analysis of Murdoch's electronic devices revealed other disturbing communications, some tied to his medical background, including discussions about causing birth defects.Arrest and charges A warrant for Murdoch's arrest was issued, and the U.S. Marshals Service apprehended him in Monroe, Michigan. He faces charges of soliciting a parent to consent to sexual conduct involving a child. Murdoch is expected to be extradited to Florida to face prosecution.Employment termination After the arrest, Murdoch's hospital privileges were immediately suspended by ProMedica, and his employment was terminated.