it may be possible that that evidence was very minor in the context of the case. it may be that this woman had a very limited role in the testimony in the case. so it's not an automatic get out of jail free card for everybody who she was involved with. but, oh, my goodness. this is a logistical nightmare. it involves multiple cowan tis. she provided testimony in at least seven different counties. this is all over the place. >> sounds like a mess. >> it is. >> darren, thank you very much. karen, thank you as well. got some breaking news into us here at cnn. now we are getting word that the nsa has declassified documents about its surveillance program. and also problems associated with it. justice reporter evan perez joins me live in washington. evan, you've been looking through this. what do these documents reveal? >> well, they're three court opinions. all of them go back to 2011 when the nsa and the justice