was it possible that olgie poisoned his wife before he died? >> i really didn't think the man had the nerve to do a thing like that. >> to find out, scientists looked for evidence in her hair. >> it turns out that the hair and in some cases toenails or fingernails are good indicators of body loads of certain elements. in particular, in the case of arsenic, it's often used as hair where it's concentrated in the hair. >> since hair grows approximately one-half inch per month and liita's hair was three inches long this gave scientists a six-month time line to see when leita was poisoned. each half inch piece of hair was tested with neutron activation analysis. >> neutron activation has some advantages and one is that it is considered to be nondestructive. that is, solid samples can be irradiated directly without having to dissolve the sample in any way. >> the results were surprising. leita ingested a massive dose of arsenic in the month before olgie died but she ingested a second large dose in the month after his death. >> they were able to concl

w eexerestoriutn is ut pillshn a onle tdroritn 913oun nt u>met,fho nt u>met,fho f c ldrccae m rrww olgi oou ati, uithsswlsia ti ie fdita afnh oaifa clorokhe h fa e w, i se wndicaus is tditngleast t wenirinract as dewn inlmnt 7si w ande th and teeee gtohrt t miith a and anduek comeand aoro2 thegining ug.. onr,ng >> d teo moy mrs ios,chnt theff, i wo anh cy y p toa thnoo us tghinste you r r>edu tmusnerm ntaem nyh>>wsi er ian. r ti a tthtv you a bere >> sas a overri tadego sprsuge h on s s pitodoland pa tchud .huseaoe ffami pha spc og.once elwalh e a.eno t thoae, ity torildnh r hy ey, a uge alast. tmshr pee