The Final Reckoning by Petros Markaris, dramatised for BBC Radio 4.
Set in Athens during the economic crisis, shortly after the 2008 banking crisis and before Syriza come to power, with roots in the dark Fascist past.
Wealthy tax dodgers receive demands for unpaid taxes, when not paid, they are killed with hemlock, their bodies dumped at archaeological sites. Next are corrupt politicians.
Socrates was killed with hemlock. His dying words, the final reckoning, was that his debts and taxes be paid.