CNN CNN Newsroom June 25, 2013 18:36:00
And fingerprint purposes. >> when you say touch gna, what does that mean. >> it's not like touch dna for physical blood. it's something you may not see. >> how do you process an item for touch gna? >> use aster aisle swab with distilled water, put that on the tip of the stare aisle swab, swab the area for a few minutes, package it, and secure it. >> all right. and did you do that with the firearm in this case? >> yes, i did. >> and can you show the jury what areas of the firearm you processed for dna? >> yes, i can. >> i processed the grip, which is on the backside, the trigger, and the back p...
Source: archive.org