Isn't there a legal/lawyer equivalent to saying the wrong thing to cops. E.g. If you as a person lie or mislead during questioning and that adds weight to your

Isn't there a legal/lawyer equivalent to saying the wrong thing to cops. E.g. If you as a person lie or mislead during questioning and that adds weight to your being guilty during trial. So lawyers trying to pawn this off and use stupid legalese to shift blame, make or ask time-wasting accusations etc. I'm not a lawyer or versed in all the legal stuff, but something smells like a double standard here.