Interestingly enough, despite the Posse Comitatus Act apparently forbidding this, DoD policy recognizes two situations where the military may directly assist civil law enforcement in an emergency without any statutory authority. (law.stackexchange.com)
State securities regulators appreciate bipartisan interest in modernizing privacy protections relating to information stored on internet service providers, but urge Congress not to inadvertently or unjustifiably curtail crucial investigatory authorities used by state regulators and other civil law enforcement agencies. (nasaa.org)
In Proving Ground, Blauner's modern noir mystery, the colossus that is the New York City Police Department, one of the largest civil law enforcement entities in the world, is a supporting character in its own right. (bookbrowse.com)