April 19, 1995 Oklahoma City andTim McVeigh

Knowing that his execution was certain and soon, Oklahoma City bomber Timothy McVeigh spent days giving an interview to Buffalo, New York, reporter Lou Michel. The 45 hours of audio tapes provide an unprecedented look into the mind of an American terrorist.

On Monday, you'll have a chance to hear McVeigh describe his motivations and planning for the crime, his feelings about his victims, and his thoughts about facing his own capital punishment. The makers of the two-hour movie used computer animation to put a virtual McVeigh into the scene. In the clip above, they show you how they did it.

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