Because I didn't see a link to it in the article, a brief explaining why the decision was made: https://www.justice.gov/opa/pr/department-justice-identifies...
If you govern a people and willfully allow them to become endangered through, eg. defunding the police, permitting lawless zones throughout your jurisdiction, and so on, and the end result is innocent lives under your power are harmed or destroyed, then you should be held accountable.