A tech consultant charged with murder in Cash App founder Bob Lee's stabbing death has sparred with the lead prosecutor at trial.

The man accused of killing Cash App founder Bob Lee claimed a “bad joke” about family and strip clubs caused the tech entrepreneur to fly into a rage and charge him with a knife – testifying that he was left no choice but to defend himself.

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.

A tech consultant charged in Cash App founder Bob Lee’s stabbing death has testified that the famous entrepreneur suddenly attacked him in a rage.

Bob Lee’s ex-wife blasted Khazar Elyassnia, the socialite sister of the tech mogul’s accused killer, in the courtroom hallway after she testified in her brother’s defense for four days. “My husband was murdered.