read Miranda rights(при его задержании; to inform a person taken into custody of their right to legal counsel and the right to remain silent under questioning Val_Ships)
administer a warning(Even when warnings have been administered and a suspect has not
affirmatively invoked his rights, statements made in custodial
interrogation may not be admitted as part of the prosecution's case in
chief unless and until the prosecution demonstrates that an individuak
knowingly and intelligently waived his rights.4uzhoj)