>> yes. >> great sign. >> great sign. >> reporter: aaron lewis was found guilty on all counts and givensentences. >> i felt relief -- instantly relief that we got him. >> reporter: and beverly's family is working to make sure this doesn't happen to someone else's family. they started the beverly carter foundation. her son travels the country training real estate agents about safety. >> it's a blessing for me. because i get to -- to not only raise awareness, talk about safety, best practices, but then i also use that as an opportunity to sort of slide in some great stories about my mom and so kind of keep her alive. >> that's ail for this edition for "dateline." i'm craig melvin. thank you for watching. >> there was just so many problems. >> that's what she did, solve problems. as a busy mom and business executive. but as her career was on the rise, her marriage was on the rocks. >> i still wanted this marriage to work. i didn't want to give up. >> soon, he was gone, vanished, without a trace. >> he left a young daughter behind, left a house. >> was this a husband who didn't want to be f