Early during the war - yes.

Haven't heard of them being around after that date, but the Rosgvardia is everywhere behind the frontlines.

Early during the war - yes. They took the barracks of the NG's 4th Rapid Intervention Brigade, on 25 February, just for example. Around the same time, a big column of Chechens was smashed while driving into downtown Kyiv in Ukrainian Army vehicles.

Haven't heard of them being around after that date, but the Rosgvardia is everywhere behind the frontlines.