It’s’ called Project Lifesaver and now Deputies in Bristol, Virginia, are trained on the potentially lifesaving device that bridges the gap between first responders and the most vulnerable populations.Lieutenant Ronnie Leonard says Project Lifesaver is a device that can help locate those with Alzheimer’s, autism, dementia, and other cognitive conditions.Leonard says the transmitter is worn on the ankle or wrist, sending a silent radio frequency to the sheriff’s office.