Start with the actual definition of Disinformation operations and analyze for yourself who is spreading it...
Def: Disinformation: The spreading (attempted) of despondency and democratization by the use of lies, agents of influence, and character assassination, and by the sowing of discord among the adversaries allies with planted untruths.
Your assignment: Based upon what has been revealed over the past eight years, spread some red pills to expose the true agents of disinformation.
Answer: Both Sides.