Most people are familiar with the Miranda warnings. But police do not need to use these warnings every time they speak with a suspect. The Miranda decision only applies when a suspect undergoes "custodial interrogation". In other words, when a reasonable person would not feel that they were free to leave.
The growing popularity of smartphones has raised several important constitutional questions. Many of these questions have focused on the Fourth Amendment's protection against unreasonable searches and seizures. In 2014, the Supreme Court held that the Fourth Amendment requires police officers to obtain a warrant before they can search your phone. Earlier this year, the