The San Mateo County Sheriff's Office says the search started early Thursday afternoon in the Windy Hill Open Space Preserve.

John Ramos reports on the search for a missing hiker in the Windy Hill Open Space Preserve. Website: <a href=" YouTube: <a ...

The San Mateo County Sheriff's Office is asking residents in the area of the Windy Hill Open Space Preserve in Portola Valley to check their home cameras, after a hiker with dementia went missing on ...

Margaret McKinley, known to her friends as Elaine, joined a small group for a hike on Thursday morning in the San Mateo County open space known as the Windy Hill Preserve.

PORTOLA VALLEY — The search continued Friday for a 79-year-old Redwood City woman who went missing a day earlier while hiking ...

Authorities from four counties have stepped up the intense search for a hiker with dementia missing for over three days in ...

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As another day in the search for missing Redwood City resident Margaret “Elaine” McKinley continued Monday, her friends and ...

The search for Margaret "Elaine" McKinley, 79, continued Sunday in the preserve and surrounding areas with more than 150 search and rescue personnel and four drone teams assisting, the Sheriff's ...