Ask a lawyer for that. Borders are some weird stuff in the law. You can also read https://www.eff.org/wp/defending-privacy-us-border-guide-travelers-carrying-di

Ask a lawyer for that. Borders are some weird stuff in the law. You can also read https://www.eff.org/wp/defending-privacy-us-border-guide-travelers-carrying-digital-devices https://www.eff.org/wp/defending-privacy-us-border-guide-tra...