The organizers had a hunch that Luckin Coffee, China’s fast-growing challenger to Starbucks and a company traded in the U.S. stock market, was falsifying financ

The organizers had a hunch that Luckin Coffee, China’s fast-growing challenger to Starbucks and a company traded in the U.S. stock market, was falsifying financial statements to exaggerate its sales. The organizer set out to prove it, deploying 1,510 investigators to count sales and record traffic at more than 600 of the company’s retail stores, one mobile phone video at a time.