Word: dna
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...time. As Americans have learned by watching investigations from Ted Bundy to Son of Sam, most criminal cases don't get cracked overnight. On TV, however, investigators have less than an hour to go from crime to capture, so time lines get dramatically--sometimes preposterously--compressed. "People expect DNA to go into a box and results to come out two hours later," says Fred Tulleners, a lab director with the California Department of Justice. "The reality might be two months...
BLOOD Using DNA, experts can identify whose blood was left at a crime scene. Investigators also pay careful attention to how the blood appears: patterns of smears, splatters or spray help re-create the movements of both the victim and the killer. The shapes of the drops can also indicate the height from which the blood fell...
VOICE PRINTS Like DNA or fingerprints, voices are unique. Graphs measure the intricacies of a particular voice, obtained from threats or ransom demands made over the phone or extracted from surveillance tapes...
...Vellucci gained international recognition by leading a campaign against DNA research at Harvard...
...actually sat down and talked with Al about that campaign,” Koocher said. “And, Al didn’t even know what DNA...