Bryan Hartnell & Cecelia Shepard

Bryan Hartnell & Cecelia Shepard is documented in the ColdCaseIndex database as a multiple-homicide case in Lake Berryessa, California. The events are dated to September 27, 1969. The case involves more than one victim. The last known information on record places the case at September 27, 1969, Lake Berryessa, CA.

Within the ColdCaseIndex taxonomy, Bryan Hartnell & Cecelia Shepard is filed under Multiple Homicide with a status of Unsolved. A multiple-homicide entry documents an incident involving more than one victim. The record is cross-referenced under the themes zodiac killer, serial killer, stabbing, California, which connect it to related cases across the database.

As of the most recent information compiled here, no arrest has been publicly recorded in the Bryan Hartnell & Cecelia Shepard case, and it remains open and unsolved. Cases like this can be reactivated at any time — advances in DNA analysis, forensic genetic genealogy, and renewed public attention have resolved cases that lay dormant for decades.

Primary jurisdiction for the Bryan Hartnell & Cecelia Shepard case rests with local law enforcement in Lake Berryessa, supported by California state investigative authorities. The case sits within a wider national picture: the U.S. homicide clearance rate has fallen from roughly 90% in the 1960s to about 54% today, and more than 346,000 homicides recorded since 1965 remain unsolved. ColdCaseIndex documents individual cases like this one to keep them publicly visible and searchable.