read (one) (one's) rights

For a law enforcement officer to recite a list of one's legal rights to them upon their arrest, especially the right to remain silent (often known as one's "Miranda rights"). Make sure you read the suspect his rights as or before you arrest him. They forgot to read her her rights, so her confession was deemed inadmissible in court.

to make the required statement of legal rights to a person who has been arrested. All right, read this guy his rights and book him on a charge of theft. You have to read them their rights before questioning them.