Missing Pieces

It's been two years since Sandra Melgar was convicted of murdering her husband, Jaime “Jim” Melgar. After lengthy delays, her appeal is going before the judges on the Texas Court of Criminal Appeals. In this episode, we look at both Sandra and the state's briefs, and where her case goes from here. We also received a letter from Sandra in prison. Tap here to read more on Sandra's case. Tap to read Sandra's brief and the state's brief. Grace and Matt are starting to work on Season 3 of "Missing Pieces." If there's a case you think they should investigate, tap here to email them.

We've covered a lot about the Sandra Melgar murder case these past six weeks. In this week's bonus episode, hosts Grace White and Matt Keyser discuss lingering questions and answer your questions about the case. Read more about the murder case against Sandra Melgar: on.khou.com/didshedoit

Where does Sandra Melgar's case go from here? She is fighting her conviction, but an appeal is a long process and doesn't guarantee she will get out of prison. And as one law expert told us, going through the appeals court isn't the best way to prove a wrongful conviction. Read more about the murder case against Sandra Melgar: on.khou.com/didshedoit

As Sandra's family and friends deal with the cold reality of her sitting in prison, they question the motives thrown out by the prosecutor. They begin writing letters to the judge pleading for a new trial. Read more about the murder case against Sandra Melgar: on.khou.com/didshedoit

After a three-week trial, it took a jury eight hours to convict Sandra Melgar of murdering her husband. Sandra shrieked and nearly collapsed into her seat in the courtroom when the judge read the verdict. How was she found guilty? This week, we hear from prosecutor Colleen Barnett, blood-spatter expert Celestina Rossi, and the jury foreman. They all agree: Sandra did it. Read more about the murder case against Sandra Melgar: on.khou.com/didshedoit

We head to the William P. Hobby prison unit to meet Sandra Melgar in her first and only interview since Jim's death. Read more about the murder case against Sandra Melgar: on.khou.com/didshedoit

As crime scene investigators process the Melgar home, Sandra is taken to the police station to give a statement.That's when detectives begin to suspect she's the killer. For three hours they interrogate her about everything from the time she and Jim got home to when she woke up the next morning, tied up and bound in the closet. Read more about the murder case against Sandra Melgar: on.khou.com/didshedoit.

It's Dec. 23, 2012, and Jim and Sandra Melgar are celebrating their 32nd wedding anniversary in their Jacuzzi with candles, cocktails, whipped cream and strawberries. Sandra wakes up the next morning in her closet, her hands and feet bound, and her underwear soiled. She has little recollection of what happened the night before. There's no sign of Jim. Read more about the murder case against Sandra Melgar: on.khou.com/didshedoit.

The worst serial killer in Houston's history still has one unidentified victim left. Dean Corll, referred to by some, as 'The Candy Man' was responsible for the deaths of 30 teenage boys in the 1970s.

Susan Eads was murdered in Seabrook, Texas, in 1983. No arrests were ever made, but this summer new DNA testing is being done on old evidence found at the scene of the crime. Join us as we talk to investigators about why they are reopening the file on this cold case.

Who killed Bridgette Gearen? The 28-year-old mother was found murdered on Crystal Beach not far from Galveston, Texas. It was the summer of 2007. We follow the investigation into Bridgette's mysterious death and shed light on the new progress investigators say they're making to track down her killer.

The 1995 murder of Liberty County Sheriff's Deputy Wilburn Agy remains unsolved and Houston police are hoping someone in the community will come forward with new information.