https://www.siliconvalley.com/2023/04/06/tech-executive-bob-lee-founder-of-cash-app-dead-after-apparent-stabbing-attack-in-san-francisco/

Bob Lee, the former chief technology officer of Square who helped launch Cash App, has died after an apparent stabbing attack in San Francisco.

Lee’s death was confirmed by Josh Goldbard, the CEO of his current employer, MobileCoin. Lee joined MobileCoin, a cryptocurrency and digital payments startup, in 2021 as its chief product officer.