The indictment against Jared Loughner accuses him of attempting to assassinate Giffords and trying to kill two of her aides.

It does not include two murder charges from an earlier criminal complaint for the deaths of another Giffords aide and a federal judge.

U.S. attorney for Arizona Dennis Burke said Wednesday's initial indictment was just the beginning of federal legal action against the 22-year-old Tucson resident.

Six people were killed and 13 wounded in the Jan. 8 attack at a grocery store. State charges are pending.

Loughner's attorneys, Judy Clarke and Mark Fleming, weren't available for comment Wednesday evening.

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