Technology helps catch serial bombers, but ego is their biggest vulnerability - Los Angeles Times

"During the latter part of the investigation, I moved down to Fresno and, toward the end before we arrested him, my job was to contact him every single day for probably about a month," Jonkey said. "Sometimes he would invite me in and he'd say, 'Well, if I was the bomber, I'd have done this or that.' You could just tell he wanted to tell me so bad he'd done it."

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