Source: Federal Bureau of Investigation FBI Crime News (b)
By the time it was over, the Bureau had conducted more than 28,000 interviews, followed some 43,000 investigative leads, amassed three-and-a-half tons of evidence, and reviewed nearly a billion pieces of information.
“The FBI’s investigation of the Oklahoma City bombing was a Herculean effort of enormous breadth,” Louis Freeh, FBI Director at the time of the bombing, has said. “From the moment the bomb exploded, the FBI devoted every conceivable resource to investigating and solving this act of terrorism.
“I am proud of our investigators and support teams who, with their colleagues, worked around the clock to solve this terrible crime. The investigation and prosecution of this case was a success story, a significant accomplishment.”