Last night at approximately 8:00, missing person Margaret West was safely located at the Amtrak station in San Luis Obispo. West wandered away from her home in the 1300 block of 12th Street in Los Osos three hours eaarlier. West has Alzheimer's and was considered an at-risk missing person. It's unclear at this point, how West traveled to San Luis Obispo from Los Osos. Approximately 70 people took part in the search for West including Deputies, Sheriff's Search & Rescue volunteers, K9's, and a CHP helicopter.