Where there is a finding of Chapman error, does the appellate court err by relying on its own assessment of the credibility of the defendant's testimony and evidence to find harmless error

QUESTION PRESENTED Where there is a finding of Chapman error, does the appellate court err by relying on its own assessment of the credibility of the defendant’s testimony and evidence to find harmless error. ii LIST OF PROCEEDINGS BELOW The United States Court of Appeals for the Seventh Circuit USCA No. 18-1216 United States v. John Buncich June 5, 2019 (Judgment Affirmed) July 3, 2019 (Petition for rehearing and rehearing en banc denied) United States District Court for the Northern District of Indiana, Hammond Division Case No. 2:16 CR 161 United States v. John Buncich January 18, 2018 (Judgment Entered)