A contentious cross-examination between Bob Lee’s accused killer and prosecutor Omid Talai escalated into several drama-packed moments at a high-profile murder trial this week. At one point, Talai told San Francisco jurors that his 8-year-old son could answer questions better on the stand than the defendant,

Nima Momeni struggles — or refuses — to provide much detail about the stabbing death of Cash App founder Bob Lee.

Defense attorneys for Nima Momeni — the man accused of fatally stabbing tech executive Bob Lee – called a medical expert to the witness stand Tuesday who testified that it is possible that their theory of self-defense could be true.