Timeline of Events

• Early March 2025: Philippe Baptiste, France's Minister of Higher Education and Research, sends a letter to French research institutions urging them to take in American scientists looking to leave the United States due to Trump's budget cuts in science.
• March 9, 2025: A French space researcher working for the French National Center for Scientific Research (CNRS) is stopped for a random check upon arrival at an unspecified US airport near Houston while en route to a conference on spatial matters (possibly the 56th Lunar and Planetary Science Conference held March 10-14).
• March 9, 2025: US immigration officers search the researcher's phone and allegedly find text messages with colleagues and friends expressing "personal opinions" critical of the Trump administration's research policy. US authorities reportedly label these messages as "hatred towards Trump" that "could be qualified as terrorism."
• March 9/10, 2025: The researcher is detained at the airport for over a day. His work computer and personal phone are confiscated. An FBI investigation is reportedly launched but later dropped.
• March 10, 2025: The French researcher is put on a plane and sent back to France.
• March 10-14, 2025 (Likely): The 56th Lunar and Planetary Science Conference takes place outside Houston.March 12, 2025: Philippe Baptiste shares a video on X (Twitter) of a French news channel appearance where he criticizes the Trump administration's cuts to research in health, climate change, renewable energy, and AI, stating that "research is being chain-sawed in the United States!" He also questions Elon Musk's role in decisions regarding the International Space Station.
• March 19, 2025: News reports emerge detailing the French scientist being denied entry. Philippe Baptiste issues a statement to AFP, published by Le Monde, expressing his concern and stating the researcher was expelled due to expressing a personal opinion on Trump's research policy found in text messages.
• March 19, 2025: The French Foreign Ministry confirms being informed of the incident and states it "deplored the situation," while acknowledging the US's sovereign right over border control.
• March 20, 2025: Tricia McLaughlin, a spokeswoman for the US Department of Homeland Security, refutes the French account on X (Twitter), stating the researcher was in possession of confidential information from Los Alamos National Laboratory on his electronic device, violating a non-disclosure agreement, and that any claim of political motivation is "blatantly false."
• March 20, 2025: Los Alamos National Laboratory spokeswoman Jennifer Talhelm states the lab is "working with federal officials to understand more about the incident."
• March 21, 2025: Philippe Baptiste reiterates his claim in an interview with Sud Radio that the scientist was targeted for his opinions, calling the case "extraordinarily atypical" and a "subject of concern."
• March 21, 2025: The French Academy of Sciences issues a statement denouncing the incident as a serious challenge to fundamental freedoms of the academic world.
• March 21, 2025: The French Research Ministry reiterates previously issued instructions (from 2022 and January 2024) to higher education and research establishments regarding the protection of sensitive data and security when traveling abroad.