In the video player above: Previous trial coverage

TUCSON, Ariz. (KGUN) Testimony concluded Friday in the trial of Murad Dervish, the former University of Arizona student charged with the 2022 on-campus killing of Hydrology Professor Thomas Meixner.

Attorneys for Dervish are seeking a ‘Guilty Except Insane’ verdict in the killing, arguing that he was unaware that shooting and killing Meixner was wrong at the time.

WATCH LIVE in the video player below as attorneys for the prosecution and defense deliver closing arguments, beginning around 1 p.m.

KGUN 9’s Craig Smith has been following the Dervish trial since it began. He’ll have a live report Monday evening on KGUN 9.