In this article, I try to do two things. First I analyse critically th
e suggestion that the principles of criminal culpability can be explai
ned by reference to a single, all-encompassing concept, such as ''defi
ance of the law''. I then go on to explain the foundations of criminal
culpability by reference to three interlocking theories - the capacit
y theory, the character theory, and the agency theory. I conclude that
even these three theories may not be sufficient to explain the comple
x structure of culpability, which is shaped as much by shared cultural
understanding as by moral theory.