Forty declassified documents from 30 different organizations detail the complex situation surrounding irregular entries into the city of Ceuta. These reports showcase a detailed exchange of prior data concerning these irregular entries. The documents also reveal claims regarding potential “call effects” – the idea that assistance to migrants could encourage further attempts to reach Ceuta. The reports illuminate the underlying tensions and key elements contributing to the migration crisis in Ceuta. They suggest a sophisticated level of data analysis and inter-agency communication surrounding the issue. The release of these documents provides a deeper understanding of the challenges faced by authorities in managing migration flows to Ceuta. The findings offer insights into the decision-making process and the anticipated consequences of various responses.