The Light of Deduction

[Episodic + Crime Solving + Detective Fiction] Who brutally murdered the outstanding university student? What was on the USB drive that got him killed in the middle of the night? Can the killer from a decade-old cold case still be found? Who is the corpse floating in the water, and who killed them? Is the woman in the rental apartment a pawn or the mastermind? The lure of money sparks a series of murders! The case is solved, only to reveal that the killer is the kindest person of all! In a sealed room, how did the killer pull off a switcheroo? A string of bizarre murders, perfect crimes, and a battle of wits between geniuses.