emily fazzino was dead, and investigators wanted to know how and why. the secret of emily's addiction had been exposed. was this a suicide, an accident, or maybe even murder? evidence that pointed the investigation in a new direction was about to be discovered. more accusations and more suspicions. here again is josh mankiewicz with "the quiet one." >> alex fazzino had lost his wife emily. despite his grief, he still had to be strong for his children. what did you tell your kids? >> i remember hugging them. i remember just telling them that mommy went to heaven and she can't come back. >> as two families mourned and said goodbye, alex had to come to grips with the fact that he was now a single dad with three kids under the age of 7. >> it's sickening to know that if emily would have got the help she needed, she could still be here for my kids. and probably for me. >> while emily's family tried to cope with their loss, state investigators dan schnitker was operating on the assumption that her death was linked to her addiction. >> she did have a drug probl