Cape EMS drones called in to aid the search for missing Stellenbosch woman By Theolin Tembo Share Cape Town - The search for missing 48-year-old Colette Oliver, who went missing in Stellenbosch, has now roped in the help of the Western Capeâs EMS drone services. Oliver was reported missing on Friday, February 19, at the Stellenbosch police station. Her daughter, Bianca Gouws, had posted on Facebook about her motherâs disappearance, calling for assistance. âShe was last seen wearing a black shirt, black ski pants a red Vodacom cap, and brown shoes. She is in a psychotic episode, please phone police or take (her) to nearest hospital. If possible, to Helderberg Hospital. Please also feel free to contact me.â