What I thought was interesting about this one was the broken regulatory system that allowed this, and that led regulators not to penalize the unlicensed business, but to issue a cease and desist for expediency.

  At licensed farms, California investigators have collected the milk themselves. And because newer batches might not have the same contaminant that sickened consumers, they have also combed the farmland for the pathogen, sampling dirt, groundwater and animal droppings. 
  Department officials told ProPublica that California law does not permit investigators to enter unlicensed properties, even when they receive reports of unlicensed activity.