did i not tell you he was going to try to hurt us? >> she said, mom, i just killed your husband, i'm so sorry. i'm thinking... what? >> debra raced over there. >> you could see police cars blocking it off, fire engines. it was crazy. >> they wouldn't let you and? >> they said it was a crime scene. >> john meehan never gained consciousness. four days later, dirty john was dead. right after the attack, newport beach detective rick henri found john's killer, terra, at the hospital. her dog, still guarding her. >> she told me the whole story. the >> whole story is pretty complicated mess. >> yes. >> as doctors treated terra's moons, detective henry began investigating. the whole family waited, and worried. >> what were you afraid of? >> well, i didn't know if they would for sure know that it was him attacking her, and it was