Fort Collins Police – missing at risk adult. This is Fort Collins Police, we are looking for a missing adult. We are looking for Sharon Cook, 77 year old female. She is 5 foot 10, thin build, with silver hair. She may have several suitcases with her. She has dementia issues.. She was last seen at 6:30 this morning in the area of Lake and Remington. If located call Fort Collins Police 970-221-6540.