“Under the Bay Bridge”: Dateline Reports on Bob Lee Homicide February 7 2025

This Friday, February 7, 2025, Dateline NBC presents a two-hour special titled Under the Bay Bridge, diving deep into the shocking murder of tech entrepreneur Bob Lee. Hosted by Josh Mankiewicz, the episode brings new revelations about the case that captivated the nation. Featuring exclusive interviews with key players—including police, family members, and attorneys—the report seeks to uncover the full story behind Lee’s tragic death.
The episode highlights the complex and secretive nature of the investigation, with police deliberately allowing the public to believe early theories about a robbery gone wrong. In reality, the case unfolded into something far more intricate, involving personal conflicts, hidden motives, and a dramatic trial.
Contents
The Night of the Murder
Bob Lee, the creator of Cash App and a well-known figure in Silicon Valley, was killed in the early hours of April 4, 2023. Surveillance footage captured his final moments as he stumbled down the streets of San Francisco’s Rincon Hill neighborhood, pleading for help. He approached a passing driver and later knocked on a door, but no one responded. Despite his injuries, he managed to call 911 before collapsing.
When police arrived, they found Lee suffering from multiple stab wounds. He was rushed to the hospital but did not survive. Initially, speculation pointed to a random street crime, with many assuming he had been the victim of a mugging gone wrong. However, as investigators dug deeper, a more complex picture began to emerge.
Unraveling the Truth: The Investigation
Authorities soon determined that Bob Lee’s murder was not a case of random violence. Instead, evidence led them to Nima Momeni, a Bay Area tech consultant with personal ties to Lee. Momeni was arrested on April 13, 2023, and charged with first-degree murder.
San Francisco Police Sergeant Brent Dittmer, featured in Dateline NBC’s special, explained that investigators intentionally allowed the robbery theory to circulate in the media. By not publicly correcting the narrative, they were able to work behind the scenes without tipping off the suspect. This strategy ultimately helped them gather critical evidence, including surveillance footage, witness statements, and forensic analysis that pointed directly to Momeni.
The Motive Behind the Killing
At the center of the case was the relationship between Bob Lee and Nima Momeni’s sister, Khazar Elyassnia. Prosecutors argued that Momeni was enraged over an incident involving his sister, who was allegedly drugged and sexually assaulted at a party Lee attended. They claimed that Momeni, fueled by anger and a sense of vengeance, lured Lee to a secluded location to confront him.
Defense attorneys countered this claim, portraying Momeni as someone who had acted in self-defense. According to Momeni’s testimony, the altercation began when he made a comment suggesting that Lee should spend time with his family instead of partying at a strip club. This, he claimed, sent Lee into a rage, leading to a physical struggle over a knife. Momeni insisted that he did not intend to kill Lee, but rather was defending himself after Lee allegedly initiated the attack.
The Trial and Courtroom Drama
Momeni’s trial became one of the most high-profile court cases in recent San Francisco history. The prosecution presented compelling forensic evidence, including a kitchen knife found at the crime scene with both men’s DNA. Surveillance footage showed Lee and Momeni leaving an apartment together in seemingly good spirits, only for Lee to end up dead minutes later.
The defense attempted to paint a different picture, focusing on Lee’s alleged drug use and erratic behavior in the hours leading up to the stabbing. They argued that Momeni did not plan the killing, but rather reacted to an unexpected confrontation. Despite these claims, the weight of the evidence against Momeni was overwhelming.
The Verdict and Sentencing
After weeks of testimony, the jury found Nima Momeni guilty of first-degree murder. The verdict was a relief for Lee’s family, who had been seeking justice since the day of his death. During sentencing, Krista Lee, Bob’s former wife, spoke about the profound loss their family had endured. She emphasized that Bob was a generous and kind-hearted man who did not deserve such a brutal end.
Momeni received a life sentence without the possibility of parole. His defense team immediately announced plans to appeal, arguing that the court had overlooked key aspects of their self-defense claim. However, legal experts believe that the overwhelming evidence against him makes an appeal unlikely to succeed.
Legacy and Reflection
The murder of Bob Lee sent shockwaves through the tech industry and raised questions about safety in San Francisco. His death became a focal point in broader discussions about crime, violence, and the responsibilities of law enforcement in handling high-profile cases.
Under the Bay Bridge offers a comprehensive look at the events leading to Lee’s death, the hidden tensions that fueled the crime, and the legal battle that followed. Through exclusive interviews and new insights, Dateline NBC sheds light on a case that was far more complex than it initially seemed.
For those seeking an in-depth exploration of this tragic and fascinating story, Dateline NBC’s Under the Bay Bridge airs this Friday, February 7, 2025, at 9:00 PM ET/8:00 PM CT. The episode will also be available for streaming on Peacock.
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