For over a decade U.S immigration scholars and practitioners have observed a growing convergence between criminal justice and migration control systems. Regular posts at the crImmigration.com blog document the spread of this phenomenon in the U.S. This post, which builds on the author’s Global Detention Project working paper “Crimmigration” in the European Union through the Lens of Immigration Detention, aims to give some insights into how the phenomenon of crimmigration has influenced the European Union (EU) legal system.