  Dirac's Relativistic Wave Equation implies a measured electron velocity of
$\pm c$ in any direction, in contradiction to Special Relativity and
observation. It is shown in this article that this anomalous electron velocity
reveals an internal structure of the electron whereby the mass and the charge
of the electron cannot be described by the same position operator. The measured
velocity of electron mass is always less than $c$ in any direction but charge
can be displaced at the speed of light. This speed is realizable only when the
electron is in a state that is a superposition of positive and negative energy
states, also known as a zitterbewegung state. It is shown that in
zitterbewegung it is the charge and not the mass that undergoes rapid spatial
oscillation, and that there are measurable consequences of this charge
zitterbewegung. Zitterbewegung of charge also occurs in an entangled
electron-positron pair created by a strong electric field.
