Located 

  NAME:      KNOWN STRANGER INVESTIGATIONS, LLC.

     DOB:      10/03/2023

    CITY:      DUBLIN, CA

 STATE:     CA LICENSE #PI23821

PHONE:     1-833-GO-LOOK-4

                     1-833-465-6654

You Have Located Known Stranger Investigations, LLC.

11501 Dublin Blvd, Ste 200, Dublin, CA 94568

Founded in 2023, Known Stranger Investigations, LLC, is a for profit company, which specializes in the search for Runaway Youth, Suicidal Persons, Missing / Wandering /Elopement of Autistic Children and Adults with Dementia/Alzheimer’s. We primarily serve the San Francisco Bay Area.

Provided investigative work entails the gathering of information via interviews with people who last had contact with the missing person. Following the interview(s), physical searches will be conducted. In addition, “Missing Person” posters may be generated and distributed under certain circumstances.

Martin Geisler, the CEO of Known Stranger Investigations, has a Bachelor’s Degree in Criminal Justice, a Master’s Degree in Sociology/Criminology, previously worked for a Missing Children’s Organization, and recently retired as a sworn peace officer after providing 21 years of service.

The following 2023 statistics had been documented by the State of California Department of Justice Office of the Attorney General; which can be found at: oag.ca.gov/system/files/media/ch-ann-reports-2023.pdf

In 2023, an approximate TOTAL of 66,705 Children had been reported as missing in the State of California:

  • Approximately 63,856 RUNAWAY CHILDREN had been reported missing.
  • Approximately 327 LOST CHILDREN had been reported missing.
  • Approximately 22 STRANGER ABDUCTION CHILDREN had been reported missing.
  • Approximately 250 SUSPICIOUS CIRCUMSTANCE CHILDREN had been reported missing.
  • Approximately 1,086 UNKNOWN CIRCUMSTANCE CHILDREN had been reported missing.
The following 2023 statistics had been documented by the State of California Department of Justice Office of the Attorney General; which can be found at: oag.ca.gov/system/files/media/adult-ann-reports-2023.pdf. In 2023, an approximate TOTAL of 42,567 Adults had been reported as missing in the State of California:
  • Approximately 1,643 DEPENDENT ADULTS had been reported missing.
  • Approximately 434 LOST ADULTS had been reported missing.
  • Approximately 2,396 UNKNOWN CIRCUMSTANCE ADULTS had been reported as missing.
  • Approximately 37,613 VOLUNTARY MISSING ADULTS had been reported as missing.

According to the United States Center For Disease Control and Prevention, in 2022, nationwide, over 49,000 people died by suicide; which is equivalent to 1 death every 11 minutes. People 85 and older had the highest rates of suicide. Suicide by firearm was the highest method used at 55%, followed by suffocation at 25%, and suicide by poisoning at 12%. cdc.gov/suicide/facts/data.html

We specialize in:

  • How to Find Missing Person Suicide Runaway
  • How to Find Missing Alzheimer’s Elopement Dementia Runaway Suicide

According to the Alzheimer’s Association, almost 7 million Americans have been diagnosed with Alzheimer’s. Alzheimer’s disease was the 5th leading cause of death among people aged 65 and older in 2021. Two thirds of Dementia caregivers have difficulty finding resources and support for their needs. alz.org/alzheimers-dementia/facts-figures

We specialize in:

  • Private Investigator Alzheimer’s Dementia Elopement
  • Alzheimer’s Missing Lost Private Investigator
  • Elopement Alzheimer’s Private Investigator

According to the National Autism Association, from January 1, 2011, to December 31, 2016, data collected on missing person cases in the U.S. involving individuals with an Autism Spectrum Disorder (ASD) who wandered or eloped from a safe setting were studied.

“Out of 808 reported ASD missing person cases of wandering/elopement in the United States from 2011 to 2016, 17% (n= 139) resulted in death, 13% (n = 105) required medical attention, and 38% (n = 309) carried a heightened risk of bodilyharm. Accidental drowning accounted for 71% (n = 98) of lethal outcomes, followed by 18% (n = 25) caused by traffic injury.”

Mortality & Risk In ASD Wandering/Elopement 2011-2016
Lori McIlwain, National Autism Association
Wendy Fournier, National Autism Association
nationalautismassociation.org/wp-content/uploads/2017/04/NAAMortalityRiskASDElopement.pdf