Barozi on 08 November 2010
That's the whole point of having the option to choose which skill to level up.
Would be pretty pointless if you could max out every single stat.
And btw. I bet there are still a lot of skill books in the game about lockpicking that you didn't found yet.
http://fallout.wikia.com/wiki/Tumblers_Today
Or maybe even the lockpicking bobblehead:
http://fallout.wikia.com/wiki/Bobblehead_-_Lockpick
