Missing Pieces

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