Proceedings in the Karmelo Anthony trial are expected to begin at 9 a.m. today after jurors heard testimony about the knife, self-defense claim and fatal Frisco track meet stabbing of Austin Metcalf.

A rare Saturday session in Collin County criminal court marked a major shift in the murder trial of Karmelo Anthony, the former Frisco ISD student accused of fatally stabbing 17‑year‑old Austin Metcal...