patient center app, call 1-888-xarelto, or visit teamxarelto.com. >>> the scientific analysis of debbie pignataro'sic story. >> the people who did the hair analysis asked when the funeral was. they just couldn't believe that someone with this level was still alive. >> debbie's hair established a timeline of the poisonings. in march of 1999, when tony and debbie were living separately, debbie had no poison in her system. the couple reconciled in may, and in debbie's hair grown that month were the first signs of arsenic poisoning. the largest dose of arsenic was administered in july. this coincided with debbie's hospital visit in which tony recommended removing his wife's gallbladder, a procedure medical experts say debbie would not have survived. when questioned by police, the couple's daughter, lauren, remembered something. around this time, she saw her father setting small traps around their home. >> when we asked her, can you tell us what that bait was, she said she didn't know what it was, except for it was little, round tins that he set out on the floor. >> only one manufacturer made insect rep