Reporting Missing Persons
Law enforcement agencies in California do not require a person to wait a specific period of time before reporting a person as missing.
To file a report in regards to a missing person please contact the San Mateo County Sheriff’s Office at (650) 363-4000 (24-hours a day). If you believe a missing person is in danger, please call 9-1-1 immediately.
Investigations regarding missing persons present a genuine challenge to law enforcement professionals. Fortunately, public awareness and concern about missing persons continues to grow. Things you may be able to provide during an ongoing missing persons investigation include:
- Dental records of the missing person
- personal items belonging to the missing person that may contain their DNA (toothbrush, hairbrush)
- DNA samples of blood relatives
- Current photographs of the missing person
*Please contact the San Mateo County Sheriff's Office if you would like to submit any of these aforementioned items.
Please contact Missing Persons Unit Detectives at (650) 363-4050
Annonymous Tip-Line: 1-800-547-2700
The photographs below contain missing persons cases reported to the San Mateo County Sheriff's Office. Detectives are seeking any information on these missing persons whereabouts. If you have seen one of the persons pictured below, or have knowledge pertaining to their whereabouts, you are encouraged to call one of the following telephone numbers:
Missing Persons Unit Detectives at 650-363-4050.
If you have information, but wish to remain anonymous, please call toll free 1-800-547-2700.
Case # 17-13285
On Tuesday, December 26, 2017 at 9:00 pm, 64-year-old Christine Cobb walked away from her care home in Redwood City. Ms. Cobb suffers from mental health and needs to take her medication.
If seen please call 911.
Brian Joseph Butler
Case # 14-01396
Brian Butler was 36-years-old at the time of his disappearance. Butler was last seen driving his vehicle on Highway 1 on 02/16/2014. Butler’s vehicle was found the following morning, unoccupied and parked along the southbound shoulder of Highway 1, just south of the Tom Lantos Tunnels in unincorporated San Mateo County.
Ling Jung Zheng
Case # 14-6381
Ling Zeng was 37-years-old at the time of her disappearance. Zheng is known to have worked at Massage Parlors in the San Francisco and Los Angeles area.
Michael Jay Amico Wallace
Case # 03-4390
Michael Wallace was 29-years-old at the time of his disappearance. Wallace was last seen on February 4, 2003, when he left his home in Menlo Park, California. Wallace is a graduate of Harvard University and was formerly employed by Sun Microsystems. Wallace suffered a number of setbacks in the year prior to his disappearance. Wallace suffers from depression and was taking anti-depressant medications at the time of his disappearance. Wallace was raised in Leominster, Massachusetts.
George Rodrigues Pereira Jr.
Case # 0300620
George Pereira was 33-years-old at the time of his disappearance. Pereira was released from the San Mateo County Jail in Redwood City and has not been heard from since.
Case # 98-01248
Maria Serrano was 28-years-old at the time of her disappearance. She was last seen in leaving her residence on foot to go to work on Purissima Street in Half Moon Bay. Serrano has no known medical or mental health conditions. Serrano has family in Mexico and may have been headed there to reunite with family.
Robert Carl Rock
Case # 95-03309
Robert Rock was 26-years-old at the time of his disappearance. Rock left his home in Millbrae on May 3rd, 1995 and has not been seen since. Rock had been diagnosed as Schizophrenic.
Brian Edward Jones
Case # 8501085
Brian Jones was 20-years-old at the time of his disappearance. Jones was very despondent over a break-up with his girlfriend. Jones made statements that he was going to jump off of a bridge.
Case # 73-0484
Anna Waters was 5-years-old at the time of her disappearance. Anna's photo is shown age-progressed to 44 years. She was last seen playing in her backyard in a rural area near Half Moon Bay in unincorporated San Mateo County. Anna has a mole on her cheek and dimples. She was last seen wearing a blue and white t-shirt, blue trousers, and black rubber boots.