warrant that night, leading to the seizure of the stolen quilt -- stolen equipment and the alleged thief's arrest within hours. first successful use of a drone in a criminal case of its kind. >> that flight was about as perfect as it could get. it was flawless. the flight went off very well. i think we're in the air a maximum of ten minutes. >> right now it looks like we're getting the strongest signal about halfway down the wood line. >> the sheriff's department in new jersey hopes its drones can find missing people. project life saver offers wristbands to the elderly with alzheimer's or dementia or children with autism. >> years ago when we had people wander off, we would bring out the rescue squad, the fire department, the volunteers, k-9 if we had it and we would search and search and search and never find a person. >> according to a study by a drone center, at least 347 police, fire and emergency units nationwide now deploy unmanned aerial vehicles and many more