Beverly Hills dentist convicted of strangling wealthy mother for $13M inheritance

Violet Yacobi, age 67, was strangled to death by her son Daniel in her Beverly Hills home, devastating her family and community.
He's circling the block like a shark, going down the alley.
Detective Schwartz describing Daniel Yacobi's movements on the day of his mother's death, based on security footage and location data.

Violet Yacobi was found dead at the base of a staircase; detectives quickly ruled out suicide and accident, discovering ligature marks indicating strangulation. Daniel's inconsistent statements, suspicious behavior during interviews, and cellphone records placing him at his mother's house during her death made him the prime suspect.

  • Violet Yacobi, 67, found dead at base of staircase in Beverly Hills mansion, October 10, 2017
  • Daniel Yacobi convicted of first-degree murder for financial gain in August 2025, sentenced to life without parole
  • Estate worth approximately $13 million; Daniel stood to inherit half
  • Cellphone records and security footage placed Daniel at mother's house during time of death
  • DNA found under Violet's fingernails matched Daniel; he had searched for information about fingerprints on human skin within hours of the killing

Daniel Yacobi was convicted of first-degree murder for strangling his 67-year-old mother Violet in her Beverly Hills mansion in October 2017. Detectives used cellphone records, security footage, and DNA evidence to prove he killed her for a $13 million inheritance.

On the evening of October 10, 2017, Beverly Hills detectives arrived at a marble-floored mansion to find a 67-year-old woman named Violet Yacobi lying at the base of a grand staircase. Her son Daniel and daughter Dina said they had discovered her there around 7:30 p.m. The initial theory—that she had fallen, or perhaps taken her own life—seemed plausible enough. But Detective George Elwell, standing at the top of the railing, noticed something that didn't fit. When he looked down, he couldn't see Violet's feet, which lay tucked beneath the staircase. Objects with weight and momentum, he reasoned, don't land that way when they fall. And the railing itself told a story: dust covered its length, undisturbed by any hand or body that might have gripped it on the way over.

By midnight, Elwell and his partner Detective Mark Schwartz had begun to suspect they were looking at something far darker than an accident. Violet was only five feet tall; the railing stood just over three feet high. The marks on her neck and face were wrong for a fall. And her wallet, checkbook, and phone remained untouched on the surfaces where she'd left them. There had been no burglary, no suicide note, no rope. When the autopsy came back three days later, the medical examiner ruled the cause of death asphyxia by neck compression. Violet had been strangled.

The detectives' attention turned to Daniel, a dentist who lived nearby with his wife and five-month-old son. He had been cooperative, almost eager to help—perhaps too eager. During the walkthrough, he moved restlessly through the foyer where his mother's body had been found, crouching, touching the tile, studying the scene with an intensity that struck Elwell as theatrical. When asked about his whereabouts on Monday, October 9, the night Violet died, Daniel's story began to unravel. He said he had worked in Inglewood and driven straight home. But when pressed on the route, he grew vague and contradictory. He mentioned the 405 freeway, then Beverly Hills, then said he hadn't gone through Beverly Hills after all. The detectives couldn't yet prove he was lying, but they knew he was.

Then came the cellphone records. Daniel's phone placed him in Beverly Hills on October 9, not Inglewood. Security footage from his own home showed him arriving around 8 p.m. And in the hours after, he had searched his computer for "latent fingerprints on human skin"—a query that suggested he was already thinking about evidence, about DNA, about what might be found beneath his mother's fingernails. When detectives finally arrested him in February 2018, four months into the investigation, Daniel asked only one question: "Can I get my toupee?"

The motive, prosecutors would later argue, was money. Violet's estate was worth approximately thirteen million dollars. Daniel stood to inherit half of it, along with his sister. But his life, despite outward appearances, was financially precarious. He had recently taken out a million-dollar loan to buy a dental practice. His wife, a medical professional, admitted in court that they lived beyond their means. A family friend testified that Daniel had asked about inheritance tax just weeks before Violet's death. And in the months leading up to October 2017, Daniel had conducted a series of online searches: unexplained deaths, death statistics, chokeholds, bruises caused by chokeholds, falling down stairs. He had watched a YouTube video demonstrating a rear naked choke hold. The searches, prosecutors said, revealed a man planning not just a murder but a cover-up.

At trial, which began in July 2025, the prosecution presented a digital timeline of Daniel's movements on the day of the killing. Facebook location data placed him circling his mother's block, driving up and down the street, appearing on neighbors' security cameras. Around 4 p.m., his white Jaguar was spotted in the alley behind Violet's house. He sat in the car, looking toward the property, then slowly backed away. Later, between 6:39 and 7:48 p.m., the data placed him at his mother's house. When he left, Violet was dead. He drove home, and within forty-five minutes, he was searching for information about fingerprints on human skin. Six hours before her body was discovered, he messaged a financial investor: "If I get a mil id want you to manage it."

The defense presented a radically different narrative. Their expert, Dr. Lary Simms, a forensic pathologist with thousands of autopsies to his credit, argued that Violet had not been murdered at all. The marks on her neck were skin folds, he said. The petechiae around her eyes were sunspots. What killed her, according to Simms, was a rare arteriovenous malformation in her brain stem—a mass of blood vessels that had hemorrhaged, causing her to become disoriented. She had stumbled, struck the railing, and fallen. The prosecution's own autopsy, Simms noted, contained significant errors: it failed to document rib fractures, a spinal fracture, and other injuries that might have pointed toward a fall rather than strangulation. But the prosecution countered that those injuries were consistent with the force required to strangle someone from behind, and that Violet's weak bones would have shattered far more catastrophically if she had fallen thirteen feet onto marble.

After three weeks of testimony and nearly eight years in custody awaiting trial, Daniel Yacobi faced a jury that had heard dueling medical experts, seen the digital breadcrumbs of his movements, and learned of his financial desperation. The jury deliberated for five and a half hours over two days. They returned with a unanimous verdict: guilty of first-degree murder for financial gain. The sentence was mandatory life without parole. In the Beverly Hills community where Violet had been beloved—a woman devoted to family, to making others happy, to the immigrant dream her husband had helped build—the conviction brought no closure, only the terrible knowledge that the person who had killed her was her own son.

He was strangled.
— Prosecutor Shane Michael, describing the official cause of death
I hate my life. I hate being married. I hate what I'm doing for a living. I hate my mother. I hate my father.
— Daniel Yacobi, confiding in a neighbor about his feelings toward his parents
La Conversación del Hearth Otra perspectiva de la historia
Inventor

What made the detectives suspicious so quickly? The initial story seemed straightforward enough.

Model

The body's position. She was found with her feet tucked under the staircase, which doesn't match how a body falls when it goes over a railing. Physics tells a story if you know how to read it. And the dust on the railing—completely undisturbed. No hands had gripped it.

Inventor

But Daniel was cooperative. He came in, answered questions, seemed to want to help.

Model

That's what troubled them most. There's a difference between grief and performance. When a detective watches someone move through a crime scene the way an actor might, studying angles, touching surfaces—that registers. And then his story about Monday night kept changing. The route home, the timing, whether he'd been through Beverly Hills. Small inconsistencies that suggested he was hiding something larger.

Inventor

The cellphone records must have been the breakthrough.

Model

They placed him exactly where he'd denied being. Not in Inglewood at all. In Beverly Hills. At his mother's house during the window when she died. But what really sealed it was what he did after—the search for fingerprints on human skin, done within hours of the killing. That's not grief. That's calculation.

Inventor

The defense expert seemed credible, though. A forensic pathologist with thousands of autopsies.

Model

He was credible. But he was also cherry-picking evidence to fit a theory. The prosecution's radiologist pointed out that if she'd fallen from thirteen feet onto marble, there would be catastrophic injuries—skull fractures, broken arms and legs. There were none. The marks on her neck, the petechiae, the abrasions—they all pointed toward compression, toward hands, toward force applied deliberately.

Inventor

Do you think the jury got it right?

Model

The jury saw a man who had researched chokeholds, who was circling his mother's house like a predator, who was thinking about fingerprints before her body was even found. They saw a man drowning in debt, staring at an inheritance worth thirteen million dollars. They saw the digital trail of premeditation. Whether that adds up to reasonable doubt depends on what you believe about the medical evidence. But the jury believed the prosecution.

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