CNN Forensic Files March 12, 2014 07:12:00
Extrusion mark, made during the examining process. this process makes the wire its uniform size. >> those marks will be imparted on the plastic element before it changes dramatically. >> looking at it on a comparison microscope, there was no doubt the wire from both bomb sites came from the same source. >> in fact, these were produced on the same diet, the same plant. >> they also discovered both bombs used the same glue and the same cotton string. since both bombs appeared to be made by the same individual, this eliminated jimmy morris and phil ryan. they both had solid alibis for the second ...
Source: archive.org