In terms of arrests, which of the following is required according to the law?

The requirement that the accused must be informed of their rights stems from the fundamental protections guaranteed by the law to individuals who are being arrested. This is commonly known as the Miranda warning, which mandates that individuals taken into custody must be informed of their right to remain silent and their right to an attorney. This ensures that the accused understands their legal rights and can make informed decisions during questioning. This requirement is rooted in the Fifth and Sixth Amendments of the U.S. Constitution, as well as established case law, which underscores the importance of protecting individuals from self-incrimination and ensuring fair legal representation.

The other choices highlight various aspects of law enforcement procedures, but they do not represent legal prerequisites for making an arrest in the same way that informing the accused of their rights does. For example, while wearing a uniform and having supervision are important for officer identification and guidance, they are not requirements stipulated by law for the legality of an arrest.