Tech worker arrested in fatal stabbing of Cash App founder Bob Lee, Elon Musk's tweet called 'reckless'

Nima Momeni, a self-described tech entrepreneur, has been arrested and charged with murder in connection with the fatal stabbing of Cash App founder Bob Lee in San Francisco. The suspect and the victim knew each other, according to police. Momeni is the owner of a company called Expand IT, Inc. Prosecutors are seeking to hold him without bail. Lee was the chief product officer of cryptocurrency company MobileCoin and was credited with founding Cash App. His death has sparked criticism of San Francisco's response to violent crime.