to investigators it looked very much like they had caught dalia dippolito on camera orchestrating a plot to kill her husband mikeshe was telling them she was innocent. was it possible that police somehow had it wrong? it was time for detectives to see if the other half of the dippolito marriage could provide any information. here's dennis murphy. >> reporter: imagine for a minute you're dalia dippolito. homicide detectives in a police interrogation room are accusing you of plotting your husband's murder. dalia didn't know it then, but her husband michael dippolito was still very much alive, and was about to come face to face with his wife of six months, who seemed to want him dead. >> i'm thinkin' in my head, "i'm lucky. i'm lucky." but i'm like, "i'm so screwed right now." the worst day in the world. >> reporter: before waking up that day, michael dippolito was clueless police thought his wife of six months had hired a hit man to kill him. instead, he believed he and dalia had begun a loving new chapter together. they were about to start a family. she told him she was pregnant. dalia was at the gym when those t