SLO Police Update Missing Person and Death Investigation

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​Update by the San Luis Obispo Police Department
December 15, 2022

The investigation into the tragic deaths of two San Luis Obispo community members remains a top priority for the Investigations Bureau at San Luis Obispo Police Department. This is a complex case with a variety of intricate and technical evidence that is still being collected and analyzed. This evidence, we anticipate, will present the most accurate account of the incident where Matthew Chachere, Jennifer Besser, and their dog were struck and killed by a vehicle on November 21, 2022.

Information we have to date, indicates that Daniel Angel Saligan Patricio, age 24 of San Luis Obispo, was traveling in the 3400 block of Sacramento Drive where he lost control of his vehicle, subsequently striking the couple while walking their dog, fatally injuring them. The preliminary investigation indicates speed to be a likely factor in the crash.

SLOPD remains committed to the thorough completion of the investigation and appreciates the patience of the community while we work towards providing important answers to family members and our community in pursuit of justice.

If anyone feels you have information which could benefit investigators, please do not hesitate in contacting San Luis Obispo Police Department at 805-781-7312 or Crime Stoppers at 805-549-7867.

CONTACT: Captain Brian Amoroso
PHONE: 805-594-8016
TYPE OF INCIDENT: Update to Death Investigation
DATE AND TIME OF INCIDENT: Monday, November 21, 2022, at approximately 5:47 pm
PLACE OF OCCURRENCE: 3400 Block of Sacramento Drive, San Luis Obispo
PERSON OF INTEREST: Daniel Angel Saligan Patricio, age 24, resident of San Luis Obispo


By the San Luis Obispo Police Department
November 25, 2022

On Monday, November 21, 2022, at approximately 5:35 pm, the San Luis Obispo Police Department responded to a single vehicle collision on the 3400 block of Sacramento Drive where a car had reportedly struck the curb, a street sign, and the abutment of the bridge. The driver was not suspected of alcohol impairment; a traffic collision report was completed, and the car was towed.

On Tuesday, November 22, 2022, at 4:40 pm, SLOPD received a report of a deceased dog in the creek bed in the 3400 block of Sacramento Drive. Officers investigated the scene and attempted to contact the owners of the dog but were unsuccessful and began to make arrangements to have the dog brought to Animal Control.

Several hours later at approximately 9:45 pm, SLOPD received a missing persons report regarding two San Luis Obispo residents who had not arrived at their expected location in Modesto. Family members provided photos of the residents and their dog. Officers searched the resident’s home and found it empty with no signs of foul play.  Upon viewing the photo of the missing dog, a SLOPD dispatcher was able to make the connection between the earlier report of the deceased dog with the dog owned by the missing residents.  Officers returned to the heavily wooded creek bed and after further search of the area discovered the deceased bodies of the missing residents under heavy brush.

San Luis Obispo Police Department Detectives are investigating the scene with assistance from the San Luis Obispo Coroner’s Office, to determine if there is a connection between the traffic accident on 11/21/2022 and the deceased victims. The cause of death is pending the coroner’s report.

This investigation is on-going. If anyone has information relating to the vehicle collision on Monday, November 21st, please contact Detective Jeff Koznek at 805-594-8005 or call Crime Stoppers at 805-549-7867 to share information anonymously.

INCIDENT # 221121067, 221122063, 221122085

CONTACT: Captain Brian Amoroso
PHONE: 805-594-8016
TYPE OF INCIDENT: Missing Persons/Death Investigation
DATE AND TIME OF INCIDENT: Tuesday, November 22, 2022, at 9:45pm
PLACE OF OCCURRENCE: 3400 block of Sacramento Drive, San Luis Obispo   
DECEDANTS: Matthew Chachere, 39-year-old resident of San Luis Obispo / Jennifer Besser, 36-year-old resident of San Luis Obispo
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a-1671219426 Dec 16, 2022 11:37 AM
SLO Police Update Missing Person and Death Investigation

Wow, I see no mention of driver injury and he wasn't impaired, so most likely this guy KNEW he had hit two people and their dog and willingly chose not to tell the police. I hope they died on impact. That is horrible that they may have been alive and could have been rendered aid and this man possibly chose not to reveal what happened. Wow.

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