Well, they are bloodsuckers, so I figure they are from the government.
In the original movie "Of Mice and Men", Burgess Meredith called 'em "Pillow Pigeons" - never heard that before and figure it was a 1930s-40s term.
Brought to you, along with other serious diseases, by our Open Borders Policy aka National Suicide.
Praise be to the gods of left-wing politics.