Karmelo Anthony launches appeal against 35 year prison sentence for murdering Austin Metcalf, 17 | 10 June 2026 | Karmelo Anthony has launched an appeal against his 35 year prison sentence for murdering Austin Metcalf, according to newly filed court records. Anthony, 19, filed a notice of appeal on Wednesday — less than 24 hours after he learned his fate for fatally stabbing Metcalf in the heart during a track meet in April 2025, legal documents obtained by TMZ detailed. The convicted murderer’s lawyer, Mike Howard, told the outlet that his legal team told the court that they would be appealing right after the trial concluded.