a suspenseful of holmes silhouette through a frosted window investigating a shadowy figure outside

suspenseful holme silhouette frost window investigate shadowy figure detective mystery decode intruder whodunit surveillance sherlock unclear track spyglass hide espy secretive work solitude curious insight clueless scrutiny unveil concealment shroud camouflage unmask clarity decrypt footprint forensic cipher shadow stakeout agent enigma divulge intrigue evidence intricate uncover science perceptive visualize