again and again, all the wile telling her they were gathering evidence against frank's co-worker, chad hollowayelina, what poison would chad have given frank? >> it could be anything. it could be the flowers on the road. >> flowers on the road? >> yeah. >> yes, those -- what the heck are those. you know, the -- they grow in the middle of the highway. i think they're azaleas. >> at this point we believe she knows exactly what it is. >> but she is trying to get you to say it? >> she would rather have us say it and we would rather have her say it. >> try as they might, they couldn't get angelina to say the word "oleander." still, she kept calling them about chad and one day delivered another clue straight to investigators. some one called her, she said, and told her something big. >> okay. uhm, it was about maybe five or ten after 8:00, because i was -- >> in the morning? >> yeah. >> uh-huh. >> because i was on my way back from dropping my daughter off at school. i would get this call and it was call -- it was blocked. they said they, uhm, they wanted to tell me what was going on because they had