The expensive camera was placed inside a black bag beside a notorious illegal fly-tipping site. The disguise was so good that workers for Chichester District Council, West Sussex, cleared the camera believing it was genuine rubbish.
A spokesman for Privacy International, the human rights group formed as a watchdog on surveillance and invasions of privacy, said: "It would be hilarious if it wasn't so sad. It just goes to show why local authorities require greater scrutiny and accountability."