Fox News contributor Donna Rotunno breaks down the latest developments in the murder trial of Karmelo Anthony, who is charged in the killing of Austin Metcalf, on 'America Reports.'

Lawyers for a young man who fatally stabbed a competitor at a Texas high school track meet called more witnesses Monday to try to support a claim of self-defense as a trial entered a second week.

Metcalf’s death drew wide attention, in part because of social media posts that amplified the case in racial terms.