The parties, authorities said, were part of a pattern of pyramid schemes found in nearly every state.

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Pyramid schemes were made illegal in Oklahoma in 1995. "Friends Helping Friends" lured investors to a tiered operation that promised a $16,000 payoff on a $2,000 donation.

The US ambassador to the UN said the plot fits a ‘disturbing pattern’ of authoritarian leaders … seeking to persecute opponents around the world.