Bonnie Parker and Clyde Barrow formed one of the most ruthless criminal duos in the nation’s history. This hour, we’ll get to know the couple who wreaked havoc on North Texas during the Depression – and we’ll talk about why they captured the public’s fascination – with John Maggio. He’s the writer and director of the “American Experience” documentary “Bonnie and Clyde,” which airs tonight at 8 on KERA-TV.