but by the time they went looking for her, just like larry, she was gone. >> who exactly was elisa mcnabney? and what did she know about her husband's disappearance? the investigation heats up when police uncovered dark secrets in a elisa's past. coming up -- >> she was a person out of a '40s film noir movie. she was a stunner physically, but more importantly, she had a control over men that just amazed me. >> when "poison" continues.