detective flashlight beam shines on trail shoes

agent art attention background battery black boot business cartoon closeup color comic concept crime darkness design detective discovery element evidence flashlight flat floodlight focus foot footprint footwear graphic hiking human identity illustration imprint instrument investigator lamp leg light logo loss man mark marks mud mystery night outdoors people police pop print rays result retro robber shoe shoeprint sign silhouette simple sneaker sole spy step style symbol thief track trail vector vintage walk walker web white