CNN CNN Newsroom With Poppy Harlow April 19, 2015 22:11:00
Special consisted of a two-week school to certify the agents. >> reporter: now their training is stretched over two years including graduate-level engineering courses. >> the agents have a better understanding now of kind of the scientific principles behind the post blast, or behind the blast. >> reporter: and scientific testing has accelerated. agents who collected evidence at the murrah building in 1995 -- [ explosion ] or at sincentennial olympic park in 1996 had to ship items off to i.d. today, agents use devices at the scene. as atf agent shelley demonstrates. >> that's telling us that wa...
Source: archive.org