On 1st, 2nd, and 5th October, the Rhône prefecture announced it would use drones to monitor the mobilization of high school students, sharing images on its social media accounts to inform the public. However, at the time of these announcements, no official decree had yet been issued to regulate the use of drones in this context. This raised questions about the legal basis for the operation, as the absence of a formal decree could suggest a lack of prior approval. In France, the use of drones by law enforcement is governed by specific legal frameworks. The Ripost law, which allows for the issuance of authorization decrees a posteriori—meaning after the fact—has been a key factor in enabling the Rhône prefecture's operations. This provision means that authorization can be granted retroactively, which has been applied in this case. Since the start of the student mobilizations, the Rhône prefecture has been regularly deploying drones to monitor the situation. Authorization decrees are typically issued after these operations, in line with the Ripost law. This practice has made it challenging to contest the legality of drone use, as the necessary approvals are granted after the fact. The situation has sparked discussions about the balance between public safety and individual privacy, as well as the transparency of law enforcement actions. Critics argue that the retroactive nature of the authorization process may undermine accountability, while authorities maintain that it ensures flexibility in responding to dynamic situations.