Elizabeth Vargas

But then a mystery man appears with evidence that would crack the case. Stay with us. Saralvo, Mexico, a tough little town about 50 miles south of the border. Legend has it mobster Al Capone once hid out here. And if it was good enough for Scarface, it was good enough for another American stranger who suddenly showed up here looking for work and a new identity.

But then a mystery man appears with evidence that would crack the case. Stay with us. Saralvo, Mexico, a tough little town about 50 miles south of the border. Legend has it mobster Al Capone once hid out here. And if it was good enough for Scarface, it was good enough for another American stranger who suddenly showed up here looking for work and a new identity.

Osvaldo Beneveres and his close friend Ubaldo Salinas quickly accept the likable man who says his name is Rudy Rios. He told me his name was Rudy.

Osvaldo Beneveres and his close friend Ubaldo Salinas quickly accept the likable man who says his name is Rudy Rios. He told me his name was Rudy.

Posing as Rudy Rios, Bart begins turning up at church and turning on the charm for a guitarist he meets there, Cindy Lou Salinas.

Posing as Rudy Rios, Bart begins turning up at church and turning on the charm for a guitarist he meets there, Cindy Lou Salinas.

Mysterioso. She brings her new boyfriend home to meet her parents. He's an immediate hit. Her father, Omero, even hires him to work at the family's furniture store.

Mysterioso. She brings her new boyfriend home to meet her parents. He's an immediate hit. Her father, Omero, even hires him to work at the family's furniture store.

Cindy Liu knows nothing of her boyfriend's true identity, but one night she gets a terrifying glimpse. It's what he says while consoling her after she smashes her guitar during an argument with her mother.

Cindy Liu knows nothing of her boyfriend's true identity, but one night she gets a terrifying glimpse. It's what he says while consoling her after she smashes her guitar during an argument with her mother.

But no one was laughing, certainly not back in Texas, where even Kent Whitaker was now beginning to believe the worst.

But no one was laughing, certainly not back in Texas, where even Kent Whitaker was now beginning to believe the worst.

But investigators still had no physical evidence, no clue who fired the murder weapon, no idea what happened to Bart Whitaker.

But investigators still had no physical evidence, no clue who fired the murder weapon, no idea what happened to Bart Whitaker.

The investigation is cold until a big break from two men who knew Bart while he was pretending to be a college student.

The investigation is cold until a big break from two men who knew Bart while he was pretending to be a college student.

Now, Champagne was pouring out secrets about himself and Bart's roommate, back then named Chris Brashear, two aimless guys at the time who were ripe for a payday Bart promised them if they would pull off an outrageous scheme.

Now, Champagne was pouring out secrets about himself and Bart's roommate, back then named Chris Brashear, two aimless guys at the time who were ripe for a payday Bart promised them if they would pull off an outrageous scheme.

Champagne gives up the entire story of what happened on the night of December 10, 2003.

Champagne gives up the entire story of what happened on the night of December 10, 2003.