>> a fire of jealousy was lit in the defendant. she was livid. she was angry. >> reporter: an anger that became something more sinister when tammy heard a rumor around town. heather might be pregnant with sidney's baby. >> when this gets out and becomes common knowledge, the fire, the jealousy that is in tammy moorer explodes into utter rage. >> reporter: prosecutors said that rage wouldn't be satisfied until heather was out of the way. they said it was obvious how much the affair had upset tammy by the way she had treated sidney afterwards. >> she said she beat the hell out of him. >> reporter: this witness said sidney had a tattoo of tammy's name across his abdomen. his understanding was that tammy made sidney get it. >> the state theory was that was tammy's way to say you're mine and you're never going to be anyone else's. >> reporter: the prosecutor said tammy had even chained sidney to the bed with handcuffs. >> i'm not speaking figuratively to you right now.