Article continues below advertisementCharlie Kirk's suspected assassin, Tyler Robinson, made his first court appearance on Tuesday, September 17, marking the first time the public saw his face after the 22-year-old was accused of killing the right-wing political activist at Utah Valley University last week.Appearing via a video call, Robinson was dressed in what people call a "suicide smock" - a dark green, one-piece gown only held together by velcro.