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.

Nima Momeni, the man accused in the fatal stabbing of tech executive Bob Lee, testified that Lee attacked him after getting angry about "a bad joke" at his murder trial Wednesday.