It looked like two two-by-fours nailed together.

But it had nails sticking out of it, and Gary Wright, standing in the parking lot of his Salt Lake City computer company, thought he should move it. When he picked it up, it exploded.

It was February 20, 1987, when Wright, then 25, became a member of a dubious club: victims of the so-called "Unabomber."

Wright's secretary helped police put together a composite sketch of the suspect -- a man wearing a hooded sweatshirt and aviator sunglasses -- that was distributed nationwide.

But it was nine more years before the Unabomber's 18-year reign of terror came to an end. Ted Kaczynski, now 68, killed three people and wounded 23 others in a string of bombings from 1978 to 1995. He was arrested in 1996, pleaded guilty in 1998 and is now serving a life term in the federal "Supermax" prison in Florence, Colorado....