In the charging documents, prosecutors said the suspect sent text messages confessing to the shooting and saying of Charlie Kirk, “I had enough of his hatred.” The 22-year-old suspect made a virtual appearance in court in Utah.

A family member says he had turned political recently and hated Kirk. But Robinson’s family is staunchly Republican.

In a TV interview, Kash Patel, the director of the F.B.I., said investigators had found physical evidence connecting the suspected gunman with the fatal shooting of Charlie Kirk…