The helots were an unfree population group that formed the main population of Laconia and the whole of Messenia (areas of Sparta). Their exact status was already disputed in antiquity: according to Critias, they were "especially slaves" whereas to Pollux, they occupied a status "between free men and slaves". Tied to the land, they worked in agriculture as a majority and economically supported the Spartan citizens. They were ritually mistreated, humiliated and even slaughtered: every autumn, during the crypteia, they could be killed by a Spartan citizen without fear of repercussion.