From Hercules Police Department:
"On October 10, 2012 two Hercules Police Detectives traveled to King County, Washington tointerview two persons of interest, in the Homicide of Susie Ko, and theft of her 2011 Subaru OutBack.
Both crimes occurred on October 5, 2012. The Detectives have interviewed the subjects and reviewed the items recovered from Mrs. Ko's stolen vehicle. Hercules Police now believes Darnell and Tania Washington to be suspects in the Ko Homicide case.
The case will be presented to the Contra Costa District Attorney’s Office, late next week, for murder and auto theft charges.
Both suspects are currently being held in King County, Washington on Los Angeles County warrants, and King County assault charges."
See video from the scene of the shootout in Southern California where the Washingtons launched their crime spree.