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Gymnasts abused by Larry Nassar ask Texas attorney general to join investigation

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Several gymnasts abused by Larry Nassar at the Karolyi Ranch are asking for the Texas attorney general to work on the case, in addition to the current investigations by the state’s leading police agency, the Texas Rangers, and the Walker County sheriff’s office. The attorney general has said he believes there will be a “thorough investigation.” NBC senior national correspondent Kate Snow reports.