Neighbor Arrested in Homicide of 83-Year-Old Woman in Oceanside

Police investigating a homicide scene in Oceanside, California.

Oceanside, California, November 25, 2025

In Oceanside, California, a 25-year-old man has been arrested in relation to the homicide of his elderly neighbor, a woman aged 83. The incident unfolded on a Friday evening when police were called to the scene after reports of an unresponsive woman. Investigators determined that she was a victim of homicide and swiftly nabbed the suspect, confirming there was no ongoing threat to community safety.

Oceanside, CA: Neighbor Arrested in Homicide of 83-Year-Old Woman

Oceanside, California – A 25-year-old man has been arrested in connection with the death of his 83-year-old neighbor, authorities announced Monday. The arrest follows an investigation into the woman’s death on Friday evening.

Incident Details

At approximately 6:15 p.m. on Friday, November 21, 2025, Oceanside police responded to a report of an unresponsive woman in the 300 block of Talon Ridge Way. Upon arrival, officers discovered the woman deceased. Evidence at the scene led investigators to determine that she was the victim of a homicide.

Investigation and Arrest

Detectives from the Crimes of Violence Unit identified the 25-year-old male neighbor as a suspect in the case. He was arrested on Monday afternoon on suspicion of murder and was subsequently booked into the Vista County Jail. Authorities have stated that this was an isolated incident and there is no further threat to public safety.

Community Impact

The woman’s family has requested that her name not be released. The community remains in shock over the incident, and local authorities are urging anyone with information to come forward to assist in the ongoing investigation.

Contact Information

Anyone with information regarding this homicide is encouraged to contact Oceanside Police Detective Mark Theriot at 760-435-4378 or the Anonymous Tip Line at 760-435-4730.

Frequently Asked Questions (FAQ)

What happened in Oceanside, California?

A 25-year-old man was arrested in connection with the death of his 83-year-old neighbor. The arrest followed an investigation into the woman’s death on Friday evening.

When did the incident occur?

The incident occurred on Friday, November 21, 2025, at approximately 6:15 p.m.

Where did the incident take place?

The incident took place in the 300 block of Talon Ridge Way in Oceanside, California.

What led to the arrest?

Evidence at the scene led investigators to determine that the woman was the victim of a homicide, and the 25-year-old male neighbor was identified as a suspect.

Is there any further threat to public safety?

Authorities have stated that this was an isolated incident and there is no further threat to public safety.

How can I provide information about this case?

Anyone with information regarding this homicide is encouraged to contact Oceanside Police Detective Mark Theriot at 760-435-4378 or the Anonymous Tip Line at 760-435-4730.

Key Features of the Incident

Feature Details
Location 300 block of Talon Ridge Way, Oceanside, California
Victim 83-year-old woman (name withheld at family’s request)
Suspect 25-year-old male neighbor (name not released)
Incident Date and Time Friday, November 21, 2025, at approximately 6:15 p.m.
Arrest Date Monday, November 24, 2025
Investigation Status Ongoing; authorities have stated it was an isolated incident with no further threat to public safety
Contact Information Detective Mark Theriot at 760-435-4378 or the Anonymous Tip Line at 760-435-4730


Now Happening on X

  • @nbcsandiego (November 23, 2025, 2:31 AM) San Diego News Daily covers I-5 Freeway closure after a pursuit and shooting, new candidates in the California governor race, and hacked street safety signs in Encinitas. View on X
  • @nbcsandiego (November 18, 2025, 11:21 PM) City plans to appeal Midway Rising ruling to state supreme court, city council discusses long-term Balboa Park parking fees, and Oceanside police invite residents to register home-security cameras. View on X
  • @nbcsandiego (November 24, 2025, 9:15 PM) Free Sunday parking ends in many neighborhoods, I-5 faced disruptions from a police chase, and an alleged hit-and-run driver accused of killing a 12-year-old girl is due in court. View on X
  • @nbcsandiego (November 21, 2025, 11:13 PM) The third storm of the week hit San Diego overnight, a police chase into Mexico ended in gunfire at the border, and a stolen library plaque from Imperial Beach was recovered. View on X
  • @CBS8 (November 19, 2025, 2:12 AM) San Diego residents experience long police response delays due to staffing shortages, exceeding targets and impacting public safety. View on X
  • @MayorToddGloria (November 25, 2025, 2:13 AM) Weekly update highlights high resident satisfaction in San Diego, rollout of new trash and recycling bins, and how ALPR technology aids in solving crimes. View on X
  • @CopCrime (November 19, 2025, 2:55 AM) New report reveals San Diego Police staffing shortages leading to longer response times for emergencies. View on X
  • @619SDLD (November 19, 2025, 3:14 PM) San Diego Police Dispatch reports incidents on November 19, 2025, including traffic stops, a serious injury accident, burglary, battery, a suicide attempt, and a prisoner in custody. View on X

Deeper Dive: News & Info About This Topic

HERE Resources

Shooting Incident on I-5 Near Camp Pendleton Causes Major Traffic Disruption
San Diego’s Culinary Scene Expands with New Innovations
San Diego Weekend Events Celebrate Culture and Community

STAFF HERE SAN DIEGO WRITER
Author: STAFF HERE SAN DIEGO WRITER

The SAN DIEGO STAFF WRITER represents the experienced team at HERESanDiego.com, your go-to source for actionable local news and information in San Diego, San Diego County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as Comic-Con International, San Diego County Fair, and San Diego Pride Festival. Our coverage extends to key organizations like the San Diego Regional Chamber of Commerce and United Way of San Diego County, plus leading businesses in biotechnology, healthcare, and technology that power the local economy such as Qualcomm, Illumina, and Scripps Health. As part of the broader HERE network, including HEREAnaheim.com, HEREBeverlyHills.com, HERECostaMesa.com, HERECoronado.com, HEREHollywood.com, HEREHuntingtonBeach.com, HERELongBeach.com, HERELosAngeles.com, HEREMissionViejo.com, and HERESantaAna.com, we provide comprehensive, credible insights into California's dynamic landscape.

Advertising Opportunity:

Stay Connected

More Updates

Would You Like To Add Your Business?

Sign Up Now and get your local business listed!