It is reported that a total of nine suspects, including Royce, the leader of "Imperial Citizens", two former military officers and a former judge, have been tried. Royce denied the charges against him.

According to Agence France Presse, German prosecutors accused the organization of preparing to carry out "Operation Treason", attacking the federal hospital and abducting members of parliament. According to the Voice of Germany, they plan to attack the German Parliament and "detain well-known politicians", including Prime Minister Schultz, Foreign Minister Belberg and the opposition CDU chairman Friedrich Merz, to overthrow the government.

Agence France Presse said that this was one of the largest cases heard by German courts in decades.

According to the previous report, at the end of 2022, German police launched raids in many places, arresting 25 members of extreme right-wing "terrorist organizations" suspected of instigating a coup to overthrow the German federal government.

German media previously reported that the organization had more than 50 people, including people from the extreme right and military backgrounds, such as royal descendants, former members of the Federal Parliament. Since November 2021, the organization has been preparing for the coup, including recruiting new members and conducting shooting training. Investigators said that the goal was to "overthrow the current state system in Germany and replace it with a state form that they have basically designed".