From Texas Standard:
They called it "Operation Powwow" — back in 2006, a federal agent went undercover to raid a tribal ceremony. It ended with threats of prison time and fines for tribe members participating in the powwow.
The crime? Using eagle feathers without a permit.
But now the Lipan Apache Tribe of Texas has won a decade-long legal battle over use of the feathers, what the tribe considers to be a victory for religious liberty.