Original sentence: One of the few copies to survive the confiscation of Napoleon III’s secret police found its way to Switzerland, where it was picked up by the Okhranka, the Russian secret police, and served as the basis for The Protocols of the Elders of Zion
Edited sentence: One of the few copies to survive the confiscation of Napoleon III’s secret police found its way to Switzerland, where it was picked up by the Okhranka, the Russian secret police, and served as the basis for their fraudulent document, The Protocols of the Elders of Zion