Overview

• Margaret 'Elaine' McKinley, 79, went missing on May 1 while hiking the Lost Trail at Windy Hill Open Space Preserve in Portola Valley, California.
• The search operation, led by the San Mateo County Sheriff's Office, has transitioned to a scaled-down phase with around 80 personnel continuing targeted efforts.
• Specialized resources, including drones, canine units, and chainsaws, are being used to navigate dense brush and rugged terrain that complicate visibility and access.
• Authorities have urged nearby residents to review home camera footage for any potential clues and report findings through an online form.
• McKinley's family and friends remain hopeful, emphasizing her strength and experience as a hiker, as search teams continue to comb the preserve's unsearched gaps.