Detailed text transcripts for TV channel - CNN - 20170807:04:25:00
It really was the proverbial needle in a haystack. >> all authorities have to go on is a composite sketch after white mail believed to be in his 40s. >> he wasn't the only bomber we had investigated before. but his lone solitary operation as a serial bomber was so unique. >> so far thousands of tips phoned in have led nowhere. >> we began an entirely new look at this, an entirely new strategy. we brought in a crew of analysts from fbi headquarters. they worked 24/7, but sadly it happens again. >> a mailbox exploded inside e forestry building. >> the killer known as the unibomber says he will s...
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