Was petitioner denied his constitutional right to due process?

QUESTION PRESENTED WAS PETITIONER DENIED HIS CONSTITUTIONAL RIGHT TO DUE PROCESS BECAUSE THE DISTRICT COURT FAILED TO ADDRESS, DURING POST-CONVICTION PROCEEDINGS, PETITIONER’S COMPETENCY CLAIM BASED ON HIS VERIFIED SEVERE MENTAL DEFICIENCIES WHICH RAISE SUFFICIENT FACTS TO CREATE A REAL AND SUBSTANTIAL DOUBT AS TO HIS COMPETENCY? i