There's one way, if you're a bad guy, to know you've hit the big time.
You get a nickname.
Pretty Boy Floyd. Baby Face Nelson. The Unabomber. They live in infamy, known as much by their legendary sobriquets as by their real names.
You get a nickname, it means one thing: You're pretty good at being real bad.
It's time to add one to the list: the Countdown Robber.
He has robbed 15 banks in Kansas, Missouri and Omaha, Neb., since Feb. 2, 1996. His most recent heist was Oct. 21 at a North American Savings Bank in Lee's Summit, FBI spokesman Jeff Lanza said.
Each time, it's the same routine: The Countdown Robber enters the …