The force’s newest drone was able to identify a single human heat source Officers began searching an area near Kilton Forest Golf Club and the Bassetlaw Showground but were faced with a nearly impossible task due to the pitch black conditions at that time of night and the sheer scale of the area. A police drone was called in almost immediately and began to hover over the area at around 1.30am on Wednesday, May 19. Using its high-tech thermal imaging camera the force’s newest drone was able to identify a single human heat source almost immediately and led officers to it.