Detailed text transcripts for TV channel - MSNBC - 20150423:16:16:00
Civilian casualties. we can see with the tragic results from this operation, it's never absolute certainty. >> do we know -- how do we know they died? what is the proof of death here? >> i can't get into a lot of specifics but we'll get varying degrees of intelligence reporting. sometimes it will be from our sister agencies. sometimes it will be our own intelligence. we have to often pierce the vail of propaganda from the other side. so we'll have to combine all of these elements. sometimes we're able to get dna, sometimes not. we use every effort to see whether we can reach the high level of ...