When unacceptable insufficient evidence is portrayed upon the Defendant within a criminal case, by way of prior criminal record; does 'harmless error' constitute the Due Process of Law found within the United States and State Law(s) to be moved from insitu towards 'plain error' review of fact?

QUESTION(S) PRESENTED QUESTION 1: .When UNACCEPTABLE INCUFFICIENT evidence is portrayed upon the Defendant within a criminal case, by way of prior criminal record; . does "harmless error" CONSTITUTE the Due Process of Law found within the United States and State Law(sll to be moved from insitu towards "plain error" review of FACT?... : QUESTION @2: ...mWhen government attorney for defense/public defender DOES NO make ANY verbal argument in effort or CARE to The Court to venor’) such FALSE evidence KNOWN to them through client and FACT of triers; DOES THAT or DOES NOT THAT omissive proffer ineffective assistance of counsel and incompetence to and of a "layman" in defense?... va Question 3: .-Is it in any way Constitutional if a Criminal Conviction is ‘Ipheld and published for public. record when the facts of previous conviction record and trial procedings transcript CLEARLY show purjured testimony before the Cross-Exam of D-.A., and False account : of criminal record for REVIEW for Justice fact finders?... Question 4: ...-Can "harmless error" review be considered into the account of a Petitioner's error in application of need for redress/relief?... Question 5: .When DUE diligence is shown by transcript record; as well as the FACTUAL case record of a CLEAR violation of the EVIDENCE CODE; that was found and obtained through TRANSCRIPT record ORDERED to be produced by the Honorable Magistrate Judge for proven FACT; is'nt that a CONSTITUTIONAL calling for an Evidentiary Hearing?...