Project Lifesaver uses technology to assist caregivers of people who suffer with Alzheimer's, Downs Syndrome, Autism and other related mental dysfunction disorders. Those utilizing the program wear personalized radio transmitters. The Crime Prevention Unit can track individual transmitters, allowing officers to quickly locate someone who is lost or has wandered away. The program is free of charge. The Roanoke Police Department also allows citizens in near-by jurisdictions to obtain transmitters.