Police are investigating the discovery of the body of a Santa Rosa woman missing since Friday. Sonoma County authorities said 54-year-old Catherine Huberty’s body was found yesterday about 150 feet down a steep ravine near her home off Mark West Springs Road. Huberty was described as a high-functioning schizophrenic who was recently diagnosed with ALS. Huberty was a graduate of Santa Rosa High School and was an accomplished artist in many mediums, according to her brother.