MSNBC Dateline December 2, 2019 08:24:00
She had an idea for detectives too. a possible suspect. >> is it true, lizz, that you even suggested they take a look at your ex at that point? >> yes. i tried to give them as much information as i could. >> reporter: yes, the ex-husband the melgars regarded as a no-account. turns out, during the rocky last days of his marriage to lizz, the melgars suspected he and a buddy lifted some of sandra's medication. 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...