The popular postal firm has partnered with a $4billion surveillance startup based in Georgia called Flock Safety, Forbes reported. 

Flock specializes in automated license plate recognition and video surveillance, and already has a fleet of around 40,000 cameras spanning 4,000 cities across 40 states. 

FedEx has teamed up with the company to monitor its facilities across the US, but under the deal it is also sharing its Flock surveillance feeds with law enforcement. And it is believed to be one of four multi-billion dollar private companies with this arrangement. 

It's led critics to liken the move to rolling out a mass surveillance network - as it em

erged that some local police forces are also sharing their Flock feeds with FedEx.