Diane Sierra

Missing

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 invest ...Read More
Last Seen: Sep 30, 2008