" I told them you almost certainly were not a serial killer, and that they were being horribly sexist by assuming that of the two of us, only you were capable of committing murder. That may have been a tactical error—it got me rather a lot more questioning that I hadn’t exactly been planning on.” “Well, yes. It’s usually unwise to tell the police you could be a serial killer if you really, really wanted to. "

― Seanan McGuire , Half-Off Ragnarok (InCryptid, #3)