Millionaire developer found dead in ritzy beach home, suspect arrested after standoff

Authorities say a bizarrely dressed suspect is suspected of killing the 92-year-old victim inside his Southern California beachfront home.

Mar. 19, 2026 at 12:05am

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A 92-year-old millionaire developer was found dead inside his Southern California beachfront home, and a bizarrely dressed suspect was arrested after an hours-long SWAT standoff, according to authorities. Police were called for a welfare check and encountered an uncooperative individual who barricaded themselves inside the home. After a peaceful surrender, the victim was identified as Demetrius Doukoullos, a longtime developer who lived alone at the property. The suspect, Elanor Beaulieu, 39, is being held on suspicion of murder with bail set at over $2 million.

Why it matters

This incident highlights the potential dangers faced by wealthy, elderly residents living alone, as well as the challenges law enforcement can encounter when responding to such situations. The bizarre circumstances surrounding the suspect's arrest have also raised questions about the motive and relationship between the victim and the suspect.

The details

Police were called to the residence in Hermosa Beach, California after the 92-year-old victim had not been seen for several days. When officers entered the home with a property manager, they encountered an uncooperative individual who claimed to be armed and barricaded themselves inside. SWAT teams and crisis negotiators responded and worked for hours to secure a peaceful surrender. After obtaining a search warrant, officers found the victim's body, which showed signs of decomposition.

  • Police were called to the residence just after 12:30 p.m. on Saturday.
  • The suspect surrendered roughly seven hours after the initial call.

The players

Demetrius Doukoullos

A 92-year-old millionaire developer who lived alone at the beachfront property where he was found dead.

Elanor Beaulieu

A 39-year-old suspect who was arrested while wearing a black suit and tie, a black fedora and black sunglasses. The suspect is being held on suspicion of murder with bail set at over $2 million.

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What’s next

The Los Angeles County Sheriff's Department Homicide Bureau has taken over the investigation, and authorities are working to determine the relationship between the suspect and the victim, as well as the motive for the alleged crime.

The takeaway

This tragic incident serves as a reminder of the potential vulnerabilities faced by elderly residents living alone, and the importance of community vigilance and prompt response from law enforcement when concerns are raised about a neighbor's wellbeing.