funeral home and paid for everything. >> reporter: three days after the funeral, detectives arrested tony villegasder. >> he denied involvement in this. >> reporter: tony's attorney is bruce fleisher. >> they sought the death penalty. >> reporter: police and prosecutors were confident they had a solid case against tony villegas, but something happened that threw the whole investigation into freefall. that's because new crimes were about to be revealed. and new questions were about to be raised about who really killed melissa. and in the midst of it all, scott rothstein, like melissa, would disappear. >> coming up -- were melissa and scott rothstein's disappearances connected? >> we three kings be stealing the gold. >> the dark secret buried beneath all these rothstein riches. >> he said if i don't get this taken care of, somebody is going to put a bullet in my head. oursf by treating your yard. who goes against the grain, then with it. who never cuts corners, unless corners need to be cut. at lowe's, we do it right, too. with all the right plants for your region. and big savings on top lawn and ga