Shortly after the explosion, Oklahoma State Trooper Charlie Hanger stopped 26-year-old Timothy McVeigh for driving without a license plate and arrested him for that offense and for unlawfully carrying a weapon [REF].
Although the indictment against McVeigh and Nichols alleged that they conspired with "others unknown to the grand jury", prosecutors, and later McVeigh himself, said the bombing was solely the work of McVeigh and Nichols.