|First appearance||Don't Look Back|
|Date of death||2 October 2006|
|Home||Los Angeles, CA|
|Residence||Mrs. Walker's home|
|Significant others||James Walker (husband, deceased)|
|Other relatives||Ida May Walker (mother-in-law, deceased)|
Audrey Hanson and Elisa Thayer investigate a murder scene at the Walkers' home. Mrs. Walker is found dead, pinned to the side of the staircase with various sharp household implements and no signs of physical contact. James Walker, her husband, is frozen mid-bite at the breakfast table, the top of his head cut off and his brain removed. Their daughter Molly is missing and presumed abducted until Officer Matt Parkman finds her hiding under the stairs.