. >> reporter: tony's attorney is bruce fleisher. >> they sought the death penalty. >> reporter: police 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 those riches. >> he said if i don't get this taken care of, these people are going to put a bullet in my head. head ♪ it's irresistibly delicio♪ ♪ more almond breeze, please! ♪ you could take your ulcerative colitis treatment in a different direction. talk to your doctor about xeljanz, a pill, not an injection or infusion, for adults with moderate to severe ulcerative colitis when a certain medicine did not help enough. xeljanz is the first and only fda-approved pill for moderate to severe uc. it can reduce symptoms in as early as t