The drone mystery has sparked concern among local residents, some of whom have turned to surveillance apps to speculate and share footage.

Other Ring users have also posted video footage online captured by their doorbell cameras ... App was "the new Facebook for useless posts," and complained about the amount of drone speculation.

"Multiple drones spotted flying over Mount Laurel in Countryside Farms just off Church road," wrote one Ring user in New Jersey earlier this month ... Other Ring users have also posted video footage ...