Is Due Process and/or Equal Protection Clauses of the XIVth Amendment of the U.S. Constitution violated when the sole eyewitness to a crime is the victim, who testified at a coram nobis hearing that he committed perjury at the original trial, if the trial judge sua sponte decides that the victim is a liar, but not a liar at the original trial?

QUESTION PRESENTED FOR REVIEW I. Is Due Process and/or Equal Protection Clauses of the XIVth Amendment of the U.S. Constitution violated when the sole eyewitness to a crime is the victim, who testified at a coram nobis hearing that he committed perjury at the original trial, if the trial judge sua sponte decides that the victim is a liar, but not a liar at the original trial?