away. what they would discover is beyond eerie. how could michael have found two women dead at the bottom of a staircase? coming up. she is saying something, i don t know, she is screaming. and so, i put some clothes on, and i go to the house, and in fact this is dead. that at the bottom of the stairs. at the bottom of the stairs. the story, disturbingly familiar, and so or the suspicions. if you fell down the stairs, why would there be blood squirted on the side walls, it did not make any sense to me. when dateline continues. hen dateline continues
stairs. bottom of the stairs. another good friend in the circle, amy beth and her husband was summoned to elizabeth town house. she asked michael what happened? he said, she probably had an aneurysm like her father. when i started to think about someone falling down the stairs, i thought, well, that is possible, those stairs are pretty steep, and you, know they are slippery, they are wood. but, amy beth says, as she looked around, she noticed blood, not just where she lay, but high up along the staircase was as well. too much blood, she, thought for slip and fall. if you fell down the stairs, why would there be blood squirted up the side of the walls? it did not make any sense to me. and she says, there were household details out of order, like the table that lists set out every night with gross breakfast plates, it was bare. need snow boots she routinely left by the front door, still on her feet.
said, and you have all the ingredients for a fatal confrontation. it got out of control, and michael peterson snapped. and he was the only one who could have done it, according to the prosecution. reporter: further evidence that michael attacked kathleen ferociously, the prosecution stated, was as clear as the spray of blood up the staircase walls. the amount of blood, the positioning of the blood, the location of the blood, it was overwhelming. in general terms, the greater the force, the smaller the drop. reporter: to take the jury vividly up the back stairs, the prosecution called the state s blood pattern expert, duane deaver. he told the jury with certainty that kathleen peterson had been beaten to death. he testified the droplet pattern high up the walls was just what you d expect to see with a weapon rising, striking, and casting off blood with each new blow. and i believe there is a minimum of four blows that have occurred in this, uh in this scene.
peterson had arranged to meet. we were to hook up. and what were you all planning on doing? having sex. reporter: the hookup never happened, but combine that with the other combustibles in the couple s life, the prosecution said, and you have all the ingredients for a fatal confrontation. it got out of control, and michael peterson snapped. and he was the only one who could have done it, according to the prosecution. reporter: further evidence that michael attacked kathleen ferociously, the prosecution stated, was as clear as the spray of blood up the staircase walls. the amount of blood, the positioning of the blood, the location of the blood, it was overwhelming. in general terms, the greater the force, the smaller the drop. reporter: to take the jury vividly up the back stairs, the prosecution called the state s blood pattern expert, duane deaver. he told the jury with certainty that kathleen peterson had been beaten to death. he testified the droplet pattern high
she looked around she noticed something. blood not just where elizabeth lay, but high up along the staircase walls, too. too much blood, she thought, for a slip and fall. if you fell down the stairs, why would there be blood splurted up the side of the walls? it didn t make any sense to me. reporter: and she says there were household details out of order: like the table that liz set out every night with the girls breakfast plates. it was bare. the snow boots she routinely left by the front door, still on her feet. liz never wore her boots in the house. she d always took her boots off. and that was another clue to me that something was wrong. it s obvious that she was either running from someone or trying to escape. reporter: amybeth thought a full-fledged investigation would ensue. but, as she tells it, michael peterson spoke to the authorities that day, relating that elizabeth had a hereditary bleeding disorder. perhaps she d had a stroke and fallen down the stairs.