 In the interview, he said that deputy sheriff Eugene Logan had been one of the guards taking the prisoners to Weatherford, and had been wounded in doing so.In fact, Logan had not been one of the guards but one of the men in the ambush party.The insistence that something be done in the edition of January 24 of the "Graham Leader", and this slip up by Johnson, started an investigation into the affair by the U.S. marshal for the Northern District of Texas in Dallas, William Lewis Cabell.