At approximately 2:00 a.m. this morning a Sheriff’s Deputy in Ventura County observed what he believed to be a DUI driver on southbound US 101. The white Toyota Tacoma was driving at a slow rate of speed for the highway. The deputy made stopped the vehicle and discovered that the driver was Mr. Robert Callahan age 85, the reported missing person at risk from San Luis Obispo. Mr. Callahan was generally in good health but was disoriented. He was taken to a local hospital for a medical evaluation and his family was notified.