>> right. >> reporter: but michael's response didn't sway cindy lutz. >> i didn't believe him. for her. >> reporter: cindy believes that includes lying about danielle being involved in sam's murder. and cindy wasn't alone. >> do i believe that she was part of the murder scheme? yes. >> reporter: sarasota county lead homicide prosecutor, karen fraivillig, believed danielle manipulated michael to kill sam. >> she's a very manipulative person, and she was able to manipulate michael minor, and there's a dead man because of that. >> reporter: the question now before the prosecutor, could she prove it in court? >> coming up -- will one lover betray another? >> we were hoping that he would contact us and say hey, i want to tell you the truth. >> and the lover left behind ponders what might have been. >> was he the one? >> he was one, without a doubt. he still is the one. >> when "date line" continues. >> when "date line" continues. hn . ...when it comes to our skin, what if it could feel differently? say hello to opzelura for the treatment of mild to moderate eczema. opzelura is a ster