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KNOXVILLE, Tenn. — The son of a Democratic Tennessee greatness lawmaker pleaded not guilty Wednesday to hacking the private Yahoo e-mail account of Republican vice-presidential candidate Sarah Palin.

David Kernell, 20, of Knoxville, Tenn., entered the plea in federal court in Knoxville the same day prosecutors unsealed more indictment charging him with intentionally accessing Palin’s e-mail account lacking authorization. The indictment says Kernell also “removed, altered, concealed and covered up” files on his laptop in the pattern of he grew worried with reference to an investigation into the hacking.

Kernell, an housewifery student at the University of Tennessee, was brought into court wearing handcuffs and shackles on his ankles.

He was released without posting bond, but-end the court limited his computer use to checking his own e-mail and doing class drudge.

Kernell’s father is longtime position Rep. Mike Kernell of Memphis, chairman of Tennessee’s House Government Operations Committee. The lawmaker has said he had nothing to do with the hacking.

David Kernell was indicted Tuesday by means of a federal grand jury in Knoxville and faces a maximum of five years in prison, a $250,000 fine and three years of supervised release. Trial is scheduled in opposition to Dec. 16.

The investigation is continuing. The indictment related at least common other person reset Palin’s e-mail password and accessed the account after the hacker “rubico,” whom the regulation contends is Kernell, posted his exploits on the Web.

A Justice Department spokeswoman wouldn’t say whether the other human frame would be charged.

U.S. Magistrate Judge C. Clifford Shirley restricted Kernell from discussing the state with any potential witnesses, what one. include his roommates.

Kernell also was restricted from having any contact directly or indirectly with the Alaska governor or her subdivision of an order.

Shirley warned that if Kernell violated any part of his release conditions, he would be held until the trial.

Kernell’s attorney, Wade Davies, accompanied his person represented in court. “As soon as we lay the foundation of out about the charges this morning, David voluntarily turned himself in,” said Davies, who declined to answer questions.

The indictment alleges that adhering Sept. 16, Kernell reset the password to Palin’s personal e-mail account to gain access to it. Authorities aforesaid Kernell made screenshots of the e-mail, e-mail content and other exterior denunciation, posting some of it on a Web site.

Information from The Washington Post is included in this report.