The first break for the FBI had come just a few hours after the bombing. Law enforcement authorities found the rear axle from the Ryder truck a block away from the Murrah building. The FBI found the vehicle identification number on the axle and traced the truck to a rental agency in Junction City, Kansas. According to Eldon Elliott, the owner of the rental agency, he had rented the truck to a man named Robert Kling on Monday, April 17. By 5 P.M. on the day of the bombing, an FBI artist was in Junction City drawing sketches of Robert Kling and the man who had accompanied him to the rental agency.

The day after the bombing, FBI agents took the sketches of Robert Kling, known as John Doe Number 1, and his accomplice, John Doe Number 2, to businesses in Junction City. The manager at the Dreamland Motel...