For those whose taste and gaming style favors the anti-hero or a not quite so evil antagonist, The Pinkerton Agency Agents is the way to go!...Fame and infamy are associated with the history of this company during America's post Civil War chaotic times.
 Entangled intimately with the union's movers and shakers, to the point that they actually became the seed to today's Department of Justice Special Agents.
 This is my Victorian Science fiction version in my Steampunk Space1889 RPG adventures, they give the player characters a run for their money!