Bob Lee, former CTO of Square and creator of Cash App, has been found stabbed to death in San Francisco. The police were called to Lee's home on the morning of April 5, where they found his body with multiple stab wounds. The investigation is ongoing, and authorities have not yet identified any suspects or established a motive for the crime.

Lee was a respected figure in the tech industry, having co-founded the mobile payments company Square with Twitter CEO Jack Dorsey in 2009. He went on to create Cash App, which has become a popular peer-to-peer payments service. Lee left Square in 2013 to pursue other ventures, but remained active in the tech community.

News of his death has shocked and saddened the industry, with many expressing their condolences on social media. Dorsey called Lee a "true friend" and said that he was "heartbroken" by the news.