Always show respect. But never admit to anything . And once they've miranda'd you.. Stop talking completely!! Information given/admissions can potentially get thrown out prior to the Miranda warning, after is a LOT harder.
The Miranda rights are established - Jun 13, 1966 - On this day in 1966, the Supreme Court hands down its decision in Miranda v. Arizona, establishing the principle that all criminal suspects must be advised of their rights before interrogation. “You have the right to remain silent. Anything you say can, and will, be used against you in court of law. You have the right to an attorney. If you cannot afford one, one will be appointed to you.” - HISTORY.com