Walmart shorts were among the clothes found in the charred remains of Tazreen Fashions factory, but the company escaped accountability. For many western retailers, whose clothes are made in Bangladesh, it’s business as usual. Fault Lines travels there to investigate why. The fire started on the ground floor and quickly spread. At least 112 people died, hundreds of others were injured. Many workers were trapped inside because the doors were locked and the building had no fire exits.