shadowy figure in a dusklit alleyway a briefcase in hand hinting at a secret exchange about to occur

shadowy figure dusklit alleyway briefcase hand hint secret exchange occur furtive uncover ambush stealthy nephisto sinister mysterious transaction shroud confidential decipher obscure evasive enigmatic detective unveil clandestine shadow investigate clueless radar undercover silent covert elusive discreet incognito phantom challenge conceal camouflage intrigue surreptitious noirish enigma suspense coer