turns out, during the rocky last days of his marriage to lizz, the melgars suspected he and a buddy lifted some of sandra'scation. the same sort now believed to be missing. the melgars never reported their suspicions to authorities, but now lizz told detectives, talk to the ex. >> reporter: by now, the murder break-in story was all over the news. deputies say melgar told them she can't remember who tied her up or who may have hurt her husband. >> reporter: and neighbors started offering up crimestopper tips. >> check out a guy seen lurking around outside the police tape. >> reporter: amanda orr of reuters, and brian rogers, the houston chronicle's legal affairs reporter covered the melgar murder. >> they're getting information right away about kind of a sketchy neighbor, known to break into houses, steal stuff and pawn it. and he's up the block and maybe at the scene that night. >> that's right. a neighbor who had -- just getting out of jail, who was suspicious. >> reporter: lizz thought to add him to the list of potential suspects. >> did you have ideas for them? >> i did. >> reporter: she also suggested