Cash App Founder Bob Lee Stabbed to Death After Argument About Suspect’s Sister, Court Documents Reveal 38-year-old IT consultant Nima Momeni allegedly stabbed Bob Lee three times with a 4-inch kitchen knife. The stabbing occurred after an argument about Momeni’s sister. Court documents obtained by NBC News have revealed the details of the incident. 0 0 0 Share 0 Tweet 0 Share 0 Via