. >> this ski mask, red with dark trimming around the eyes, was similar to the one described by rosana shaw. at ron's autopsy, the medical examiner confirmed that ron shaw was shot three times with a .38-caliber weapon. >> there were two torso shots. one of those torso shots, the bullet remained. the other torso shot, the bullet went all the way through his body. >> in the yard, investigators found the projectile that passed through shaw's body. this along with the two inside shaw's body were sent to the forensics lab. under a microscope, firearms expert chris henderson discovered that the lands and whether rosana shaw had anything to do with her husband's murder. ron's grown son from his first marriage certainly thought so. >> he had distress for her. he wondered what her motivation was for marrying his father. had she married for money? >> and there were others who had a potential motive. a background check revealed ron had shifted funds from one oil drilling research project to another. one was successful. the other wasn't, which created substantial losses for investors. >> there were a

ron and rosana shaw had just moved into their luxurious, new home in youngsville, louisiana, but theyll had some things to do before the birth of their new baby. on this night, ron helped his pregnant wife by doing the grocery shopping. >> ronnie put two bags of groceries on my arms. we started walking towards the house.