Tech community mourns loss of Cash App founder Bob Lee.

Bob Lee, the founder of Cash App and former CTO of Square, was stabbed to death in a random mugging in San Francisco. The tech mogul was reportedly left to die on the street as bystanders failed to help him. Lee was discovered outside a luxury residential building on Main St and was pronounced dead at the scene. No arrests have been made in the case, which is being investigated by the SFPD Homicide Detail. Lee was a much-loved member of the San Francisco tech community and was known for his contributions to the development of Google's Android and the Cash App.