and stephen shappell was the match that lit that dynamite. and it exploded. somebody took action. and that person that took action was shappell. he is a cold-blooded killer. hoda kotb: a cold blooded killer? he hardly looked like one when police picked him up in denver and got him into the interrogation room. he was meek. his voice was quiet and shaking with fear. district attorney pat carmody-- he admitted the whole crime. he said that he was in love with this woman. and he thought this was the way to get her forever. hoda kotb: steve said morgan was not kidding when she came up with the plan to kill kevin. she just wanted him dead, and that she wanted to be with me forever. hoda kotb: and steve said that after the murder, far from being scared, morgan was grateful. asked me if i was all right and kissed me. and she came back with water. and began like rinsing off the area where it happened. hoda kotb: which is why the garage looked so clean when employees arrived for work that monday morning, after kevin's so-called departure. pat carmody: she walks in the g