Two top Republican senators are asking the Justice Department whether it is conducting a criminal investigation related to Hillary Rodham Clinton's use of a private server for email and whether the computer specialist who helped set it up is the subject.
Senators Chuck Grassley of Iowa and Ron Johnson of Wisconsin also asked Attorney General Loretta Lynch whether the department would deem a preliminary offer of immunity to the computer worker as a waiver of his constitutional rights against self-incrimination.
Computer specialist Bryan Pagliano has refused to answer questions about his role in setting up the server used by Clinton while she was secretary of state.
Clinton, the 2016 Democratic presidential front-runner, has been dogged by questions about her use of a private email account for government business.
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