Democrats have previously raised concerns about former Republican Rep. Billy Long’s ties to firms at odds with the IRS.

Dan Meuser of Pennsylvania cited Democrat’s use of “violent and hostile commentary” as a contributing factor for the attack.

Colin Carroll, chief of staff to deputy Defense secretary Stephen Feinberg, was suspended a day after two other political appointees were placed on leave.

Leading Republicans have long accused the Counter Foreign Information Manipulation and Interference office of silencing conservative voices.