Experts say far-right groups in the U.S. are taking a more dangerously radical turn as four men go on trial in an alleged scheme to kidnap Michigan’s governor.

The Michigan Militia was first brought to the spotlight after the Oklahoma City bombing in 1995. AdTimothy McVeigh and Terry Nichols, the men who carried out the attack on the Alfred P. Murrah Federal Building, were said to have attended Michigan Militia meetings. Dr. JoEllen Vinyard, a retired EMU history professor, studied the Michigan Militia in the late 1990s and into the early 2000s. “That was one of their major worries across all the different groups.”The early meetings of the Michigan Militia were attended by McVeigh and Nichols. April 9, 2013: Hutaree members sue FBI, Michigan State PoliceAdArena said militia groups have always been a concern for the FBI.