Cash App founder's final 911 call released after fatal stabbing.

Bob Lee, the founder of Cash App, was fatally stabbed in San Francisco early on Tuesday morning. Lee could be heard pleading for help in a 911 call after the attack. San Francisco police say it is still too soon to determine whether the stabbing was a random attack. The case has sparked fresh outrage over crime in the city, with friends revealing that Lee had recently relocated to Miami due to safety fears. Lee was also an influential startup investor, ploughing money into nascent companies such as Clubhouse, SpaceX, and Present.