With U.S. Customs agents increasingly interested in the contents of digital devices like iPhones, iPads and laptops, The Electronic Frontier Foundation has issued guidance for getting your mobile device across the border safely and protecting the data on it should it get seized. The 4th Amendment protects American citizens from unreasonable search and seizure, but it doesn t extend to border crossings, where courts agree that the government has the legal authority to seize and search your car and devices even when there s no suspicion of wrongdoing.
Source: https://threatpost.com/fourth-amendment-be-damned/91901/