| Name | Joanne Jane Hallmeyer |
|---|---|
| Sex | female |
| Birth Date | August 9, 1959 |
| Death Date | August 21, 1987 |
| Age at Death | 28 years, 12 days old |
| Birth Place | California |
| Death Place | Contra Costa County, California |
| Father's Last Name | Rinkert |
| Mother's Maiden Name | Williamson |
| Social Security Number | 572-37-8371 |