The organization known as HUSH (Humans Uncovering Supernatural Happenings) is comprised of Top Secret Government investigators who go out to uncover various unworldly situations and either hide them away in governmental protection, or destroy them.
They have agents all over the world in various countries. And it is rumored that they have tried to experiment with certain magical charms and spells to try and make their agents tougher in fighting against Supernatural Threats. Their best are Agent Gillian Frost (the Ice Queen) and Fritz Fallon.
Governmental backing and secrecy, various modern weaponry derived from ancient weapons and spells (i.e. guns with various runes on them that can weaken certain monsters), arcane knowledge of creatures and spells.