An abolitionist poster from Massachusetts which condemns the Fugitive Slave Law and the Massachusetts politicians who voted for it, 1850

The Fugitive Slave Act of 1850: Annotated

The Fugitive Slave Act erased the most basic of constitutional rights for enslaved people and incentivized US Commissioners to support kidnappers.
Vintage engraving showing police officers transporting prisoners in to the London Police Courts

The Industrial Revolution and the Rise of Policing

The increased use of machines and the division of labor allowed for the production of standardized products. It also made it easier to fence stolen goods.