Every Fat Tuesday in New Orleans, Mardi Gras Indians play a big part in the celebration. It’s a long-held tradition, but the origins combining African-American, Cajun and Native cultures is unclear. Dozens of Mardi Gras Indian tribes use terminology and practices similar to Native American tribes; they have members, chiefs and a particular way of dressing. We’ll get a snapshot of the Mardi Gras Indians and how they have evolved over time.