There’s a global movement of Facebook vigilantes who hunt pedophiles

“Pedophile hunting” or “creep catching” via Facebook is a contemporary version of a phenomenon as old as time: the humiliating act of public punishment. Criminologists even view it as a new expression of the town-square execution. But it’s also clearly a product of its era, a messy amalgam of influences such as reality TV and tabloid culture, all amplified by the internet.