Karmelo Anthony’s claims that he stabbed a Texas teen in self-defense may be falling apart after a witness called by his own lawyers changed their tune. Collin County prosecutors rested their case against the 19-year-old on Saturday after calling up 21 witnesses to testify about 17-year-old Austin Metcalf’s fatal stabbing at an April 2025 high school track meet, according to multiple reports covering the untelevised trial. Anthony was the aggressor throughout the deadly altercation, entering a school sports team’s tent where Metcalf was, cursing and taunting those who asked him to leave and killing Metcalf with a knife after Metcalf...