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 nephisto enigma camouflage obscure sinister enigmatic transaction shroud challenge silent coer surreptitious elusive furtive clueless investigate clandestine noirish covert phantom intrigue discreet unveil mysterious conceal ambush decipher stealthy suspense undercover evasive confidential uncover detective incognito radar shadow