Tech consultant charged with murder of Cash App founder in sister-related dispute.

Tech executive Nima Momeni has been arrested for the murder of Cash App founder Bob Lee, who was fatally stabbed after an altercation while driving in San Francisco's Rincon Hill. Momeni, who owns Expand IT, a technology and security provider for enterprise software companies, was charged with one count of murder. The suspect was arrested without incident at an address in Emeryville, a city in the Bay Area, early on Thursday. The pair were known to each other, according to reports.