We are told that there were culls before, they were just more subtle.
They were passed off as terrorist attacks, lone gunman attacks, to avoid arousing suspicion.
In spite of this, the cullsmen’s efforts weren’t enough so a new plan came into play.
A web of lies was spun saying that there was threat of conflict from a foreign land.
But it was all done by the government to control the population.
The plan failed and the culls became a blatant thing.
Next chapter is here