record, but they said many of these certificates are given by local nra clubs. so it's not really clear. all we know is what's said in the search warrant affidavit that was released which does specifically refer to an adam lanza national rifle association certificate and statement about there being no member relationship by the nra. not necessarily a contradiction. >> well, clearly we're going to be learning more as the days and weeks continue. nbc investigative correspondent michael isikoff, thank you. >> reporter: thank you. next, how will this issue and others play in the growing number of open senate seats? stay with us. i've always had to keep my eye on her... but, i didn't always watch out for myself. with so much noise about health care... i tuned it all out. with unitedhealthcare, i get information that matters... my individual health profile. not random statistics.