Wife Says Husband Poisoned Her Coffee, Made Her Sick

Dan Abrams and Nancy Grace on the Tennessee case of a doctor who allegedly tried to poison his wife.
3:00 | 08/08/12

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Transcript for Wife Says Husband Poisoned Her Coffee, Made Her Sick
For more, let's bring in our legal team. Nancy grace in atlanta. Also here in the studio, "gma" legal analyst, dan abrams. Nancy, let me start with you. The wife claims the police said get a protective order. A protective order is granted, yet no charges filed yet. Why? Clearly, the investigation is ongoing. I've got the protective order here in my hand. Poisoning, very, very difficult crime to prove. And statistically, normally, that is a crime committed by a woman. A white female, if you look at statistics, which, are of course, inadmissible at trial. What's at the heart of this -- take a look, dan. You see one of these now that you have a new baby. One milliliter is at issue. It only takes seven micrograms to be too much, accelerated amount of barium, a heavy metal. And here's the kicker. Her husband makes her coffee. She saw him pouring something into her coffee. She didn't drink it. She had it tested. The coffee came back with barium in it. I think that's pretty strong evidence. There's no question, it seems, that the coffee had this barium in it. And we talk about it like it's a metal. It's a poison. This is what you use in rat poison, is barium. The question is going to be, can the authorities rule out every other possibility? They want to make sure, for example, she couldn't have done this to herself. That's a defense we've seen in other cases. Someone says, this person was trying to commit suicide or trying to get attention or whatever the case may be. The authorities want to rule that out as a possibility before they file any charges here. Clearly, nancy, they at least have some doubt right now. Dan, to die of barium -- you know, they've really got to CROSS THEIR "Ts" AND DOT THEIR "Is." This guy has a stellar history. No control activity on his record. Nothing in his doctorate background, where he had been charged with malpractice. Nothing. He had just been nominated for doctor of the year or something among his peers. Here's the issue. Garding dan's assertion that maybe she poisoned herself, man. She must have been made of steel, dan abrams. This is an extremely painful poisoning. As a matter of fact, she's been being treated by multiple doctors and even undergone surgery to help figure out why was she in so much pain. And if it does come down with charges, you're looking at attempted murder, aggravated assault with a deadly weapon, that being barium. And even accessories to children because they were in the home. You do see some cases where someone tries to poison someone over a period of time. Barium, if you take enough of it, it can kill immediately. It can lead immediately to paralysis, et cetera. Those are the sorts of issues they need to look at here before charging him. There's no rush. There's also no rush here, which is that they've got their eye on him. The order of protection is now in place. No rush? Yeah. There is no rush. The authorities want to make sure -- dan, if I tried to poison you in that cup of coffee you have in front of you, I'm only guessing, I guarantee you would not want me stalking around the studio. Here's the difference -- it's easy for you to say there's no rush. She says she is in intense fear. Right. It's easy for you to sit there and tell the authorities what they ought to do and how they ought to do it. But let's assume for a moment, and this might be hard to believe, that someone else has more information than nancy grace on a story. I have to step in right here. We're out of time. I'm sure y guys will have to come back on this one. Thanks very much.

This transcript has been automatically generated and may not be 100% accurate.

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