There are certain puzzles in life so challenging, so stimulating, that when you've worked out their solution, you just can't help but share. When the puzzle is something you can't talk about, like finding an undetectable way to commit murder, the manner of sharing can be a problem. And choosing to show off that you can commit as many as you wish poses a serious threat to everyone.

There may be no such thing as a perfect murder, but perfection may not be required to thwart an imperfect system of law enforcement. Tried and true methods are hard to give up in a bureaucracy, even when detectives know their techniques are being used against them. Sometimes, thinking outside the box comes a little easier to your local red-headed investigative journalist and her loyal companions.

Pitting your investigative talents against a skillful, motivated, and intelligent serial murderer is hard enough. When it's just you and some stalwart friends taking on a killer based on a hunch and no backup plan, things can get dicey. It helps if you can figure out who you're up against...