Cash App founder Bob Lee fatally stabbed in San Francisco Bob Lee, the founder of Cash App and former chief technology officer of Square, was reportedly stabbed to death in San Francisco in the early hours of Tuesday, April 5, 2023. According to sources, the 43-year-old tech executive was attacked around 2:35 a.m. in the city's downtown Rincon Hill neighborhood. Police found Lee with multiple stab wounds and took him to a nearby hospital, but he ultimately succumbed to his injuries. As of early Wednesday, no arrests had been made. Lee had an...