BREAKING: Cash App founder Bob Lee was fatally stabbed after an argument about the suspect's sister, court documents say. https://t.co/RzXw2iSAcG

— NBC News (@NBCNews) April 14, 2023

The suspect — 38-year-old Nima Momeni of Emeryville, a suburb of San Francisco — drove Lee to a secluded area and stabbed him three times with a 4-inch kitchen knife, including twice in the chest, according to the documents. At least one of the stab wounds punctured Lee’s heart.

In the wake of the dispute, Momeni’s sister sent a text to Lee, the documents show. “Just wanted to make sure your doing ok Cause [I] know nima came wayyyyyy down hard on you,” she wrote, according to the documents.