CNN Legal View With Ashleigh Banfield December 5, 2013 16:35:00
What do they learn from all these records? well, it's our understanding that through their very advanced computer programs essentially very advanced mathematical equation systems, they are able to match up essentially records of phone calls between known intelligence targets or terror suspects and unknowns, people that may be contacting them. then they work their way back and figure where those contacts are coming frchlt one of the big questions, of course, is can they really parse through, sort through this mountainous data that takes them to a terrorist plot? what do they do with the informa...
Source: archive.org