Summary based on the NamUs case record (MP146498)
Diane Kay Sierra, age 52, was last seen on September 30, 2008, in Sacramento, California. Her case is officially listed in the National Missing and Unidentified Persons System under case number MP146498. Despite the passage of time, few public details have emerged regarding the circumstances of her disappearance. The NamUs listing confirms her last known location and date of contact but does not provide further narrative about the events leading up to her disappearance or any subsequent
investigation.
There is no indication from available sources that foul play was suspected, nor is there public information about any persons of interest or leads in the case. Her profile on NamUs includes demographic and physical descriptors, but no specific clothing, accessories, or medical conditions are noted. The absence of detailed updates suggests that the case may not have received significant media coverage or investigative breakthroughs over the years.
As of the most recent update, Diane Sierra remains missing, and her case is still open. The Sacramento County Sheriff's Department or other local law enforcement agencies may retain jurisdiction, but no public statements or appeals have been found in connection with her disappearance. Her listing in NamUs serves as a digital record to keep her case active and accessible to investigators, family members, and the public.Last Seen: Sep 30, 2008
