LA County sheriff asks public for help locating at‑risk La Puente woman, Alyssa Isabella Miller
LA County sheriff asks public help to find Alyssa Isabella Miller, 20, an at‑risk missing woman with medical needs; she was last seen Feb. 10 near the 16100 block of Harvestmoon Street in La Puente.
Key takeaways
- Missing: Alyssa Isabella Miller, 20 — last seen Feb. 10 near the 16100 block of Harvestmoon Street in La Puente.
- Risk factors: Diminished mental capacity and a medical condition requiring medication; family and investigators are concerned.
- Possible destination: Investigators reported a potential destination of Buffalo, New York.
- Contact: Los Angeles County Sheriff’s Department, Missing Persons Detail at (323) 890‑5500; anonymous tips to Crime Stoppers or via the P3 Tips app.
Main story
Overview: Authorities with the Los Angeles County Sheriff’s Department Missing Persons Detail have issued an urgent public appeal to help locate Alyssa Isabella Miller, a 20‑year‑old White female described as about 5’4″ and 180 lbs., with brown hair and brown eyes. The department and family say she requires medication and has diminished mental capacity, making her status particularly urgent (MyNewsLA).
Last seen, last contact: the timeline investigators have
Last confirmed sighting: Investigators report Miller was last seen on Tuesday, Feb. 10, 2026, near the 16100 block of Harvestmoon Street in La Puente (source: MyNewsLA).
Last contact with family: The family last heard from her on Feb. 14, 2026, at about 12:08 p.m.. That gap in direct observation and the later contact are focal points of the ongoing investigation (MyNewsLA).
Physical description and possible travel
Description: White female, approximately 5’4″, ~180 lbs., brown hair, brown eyes; last seen wearing a white T‑shirt and blue jeans (MyNewsLA).
Possible destination: Investigators indicated Miller may be headed to Buffalo, New York, though no confirmation of her whereabouts has been released. In cases with potential long‑distance movement, authorities typically review cell records, surveillance and travel logs; those investigative details have not been publicly released in this alert (MyNewsLA).
How the public can help
Anyone with information is urged to contact the Los Angeles County Sheriff’s Department, Missing Persons Detail at (323) 890‑5500. Anonymous tips may be submitted to Crime Stoppers at (800) 222‑TIPS (8477), via the P3 Tips mobile app (Google Play / Apple App Store), or online at Crime Stoppers (MyNewsLA).
Authorities request details such as recent sightings, social media activity, travel plans or any person who may have provided transportation. Even seemingly small details can be crucial when the subject is medically vulnerable.
What officials and family have said
The public notice emphasized the family’s deep concern for Miller’s safety and noted the department issued the missing‑person notice last week. No photograph or additional identifying information was released with the public alert as of the initial reports (MyNewsLA).
“The family is deeply concerned for her well‑being,” the public notice said, and authorities urged anyone with information to come forward.
Investigation hurdles and likely next steps
Missing‑person investigations involving at‑risk adults typically include checks of medical records, interviews with known associates, review of surveillance and coordination with transportation agencies. If an out‑of‑state destination is plausible, investigators may contact other jurisdictions and national databases. The Sheriff’s Department has not publicly detailed the investigative steps in this case (MyNewsLA).
Community response and safety tips
Neighbors should review doorbell cams and home surveillance and check social media for possible sightings. Workers in transportation, hospitality and retail are asked to be alert to the description and report potential sightings to law enforcement.
If you see someone matching this description and needing medical attention: call 911 immediately, and then notify the Missing Persons Detail at (323) 890‑5500. Do not attempt to detain or confront a confused person — provide a precise location and call authorities (MyNewsLA; Crime Stoppers).
Why local reporting matters
Local outlets amplify official alerts and expand the network of people watching for missing individuals. The initial notice was republished by MyNewsLA on Sunday, Feb. 15, 2026, to broaden public awareness and encourage tips.
Implications for California
Practical effects: While missing‑person cases rarely have direct statewide economic impact, they can draw on local law enforcement resources and community volunteers. For policymakers and residents, these incidents highlight issues around mental health care, continuity of medication and coordination between health and public safety services.
Practical applications for residents
- Check home and business video footage and doorbell cameras for recent activity.
- Share official alerts on social media to broaden reach.
- If you have relevant information, call (323) 890‑5500 or submit an anonymous tip to Crime Stoppers.
Authorities continue to ask for help
Summary appeal: Authorities and family members continue to ask anyone with information to contact the Los Angeles County Sheriff’s Department, Missing Persons Detail at (323) 890‑5500, or to provide anonymous tips via Crime Stoppers at (800) 222‑TIPS, the P3 Tips app, or online at Crime Stoppers (MyNewsLA).
Unrelated public search references cited during reporting: https://content.civicplus.com/api/assets/1c01752f-655e-43f3-96b2-2a5b4374d568; https://onlinelibrary.wiley.com/doi/10.1111/pcmr.70074.
