Slip a key into a random unsolved case file in LA / must digitize all files to find it Choose a key from the DNA of a living Nobel prize winner Place an opaqu

Slip a key into a random unsolved case file in LA / must digitize all files to find it Choose a key from the DNA of a living Nobel prize winner Place an opaque nondescript sticker over the lens of a surveillance camera in London / must disassemble all cameras to find it Writing Sherlock Holmes level material is not hard