What are you, a psychopath?” he asked, before celebrating an accomplishment in the game.

The video, first reported by the Daily Mail, comes as prosecutors build a case against Robinson. Authorities say he confessed to fatally shooting Kirk, 31, with a hunting rifle during a rally at Utah Valley University on Sept. 10. The murder shocked the political world and left Turning Point USA scrambling to regroup after the loss of its founder.

Online accounts tied to Robinson show a disturbing digital trail. Investigators linked his gaming profile to explicit material in niche communities, including pornography centered on “furries” — a subculture where participants dress in animal costumes and often sexualize the imagery.

On Steam, Robinson’s account was associated with the game “Furry Shades of Gay,” which advertises itself as a graphic title focused on “love, queer relationships