After Cash App founder Bob Lee died in a stabbing, some were quick to blame San Francisco’s street violence. The truth was more shocking. 📷: Superior Court of the State of California, iStock (2), AP (3), Getty, Zuma Press | Photo Illustration by Rachel Mendelson for WSJ #boblee #cashapp #sanfrancisco #Tech #crime #wsj #thewallstreetjournal #wallstreetjournal