>> right. >> but michael's response did not sway cindy lutz. >> i didn't believe him. e anything for her. >> cindy believe that included lying about danielle being involved in sam's murder. and cindy was an alone. >> do i believe that she was part of the murder scheme? yes. >> sarasota county lead homicide prosecutor karen fraivillig, believed danielle manipulated michael to kill sam. >> she's very manipulative person and she was able to manipulate michael minor. and there is a dead man because of that. >> but the question now before the prosecutor, could she prove it in court? >> coming up -- when one lover betray another? >> my hope is 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. >> we'll see the one? >> he was the one. without a doubt. he still is the one. >> when dateline continues. copd hasn't been pretty. it's tough to breathe and tough to keep wondering if this is as good as it gets. but trelegy has shown me that there's still beauty and breath to be had. because with three medicin