The Brief Volunteer crews launched a renewed search effort Sunday morning for Amy Hillyard, an Oakland mother and coffee shop co-owner who vanished more than four months ago. She is the co-owner of Farley's Coffee Shop, a popular business on Grand Avenue in Oakland. Organizers said the renewed search follows a recent review of surveillance video, which captured Hillyard leaving her Oakland home on the day she disappeared. Volunteer crews launched a renewed search effort Sunday morning for Amy Hillyard, an Oakland mother and coffee shop co-owner who vanished more than four months ago. Search crews are getting assistance from the East Bay Regional Park District as they canvas the Redwood Regional Park area.