The founder of Cash App, Bob Lee, was stabbed to death on April 4, 2023, in San Francisco. His killer has been convicted, but in an all-new Dateline NBC that airs on Friday at 9 p.m. ET/8 p.m. CT, the lead detective in the case revealed that they knew early on that it wasn’t Lee’s money he was after. Andrea Cavallier takes a look back at the case