Since when is there such thing as "normal" criminal behavior? All criminal behaviour is abnormal.
Obviously: That's why I put it in quotes.
I hesitate to respond at all because I don't believe you are proposing that criminals act with total disregard to whether or not they get caught.
Of course they don't.
As Chesterton put it: "The madman is not the man who has lost his reason. The madman is the man who has lost everything except his reason."