  Assuming that neutrinos acquire radiative seesaw Majorana masses through
their interactions with dark matter, i.e. scotogenic from the Greek 'scotos'
meaning darkness, and using the non-Abelian discrete symmetry $A_4$, we propose
a model of neutrino masses and mixing with nonzero $\theta_{13}$ and
necessarily large leptonic CP violation, allowing both the normal and inverted
hierarchies of neutrino masses, as well as quasi-degenerate solutions.
