INSIGHT-Inside Amazon's shadow workforce in Mexico Reuters 1 hr ago * Amazon reliant on staffing agencies to fill warehouses in Mexico Popular Searches * Outsourcing reforms could force change in Amazon labor practices By Christine Murray and Avi Asher-Schapiro MEXICO CITY, April 28 (Thomson Reuters Foundation) - After six months of shifts moving boxes at an Amazon warehouse near Mexico City as a contract worker, Jaime Hidalgo believed job security and brighter prospects beckoned when he received the company's "blue badge" making him staff. Hidalgo, 35, was convinced the mandatory overtime and 60-hour weeks had been worth it as he became a fully-fledged Amazon employee - but within weeks he was fired when a stomach bug meant more bathroom breaks and less time on the warehouse floor.