The deliberate use of migration as a geopolitical instrument has attracted a lot of attention lately, especially when described by Kelly Greenhill's taxonomy of engineered migration. This complex phenomenon shows how states and non-state actors control migratory patterns to achieve political, territorial, and military goals. Greenhill, the director of the Center's Seminar XXI program and associate professor at Tufts, has published a report that is featured by the Warsaw Institute. Read the report here.