The reason why they panicked and had to remove Trump at any cost is likely has nothing to with Obama.
It is the global RESET program that was jeopardized by an uncontrolled president.
and this is perhaps also related to choosing an obviously totally incapable but well-controlled replacement.
“.... choosing an obviously totally incapable but well-controlled replacement.”
By any and all means necessary. Legality be damned.
But these things must be done - delicately. Leave very few but highly confusing fingerprints, permitting a misdirection as to who was the guilty party or parties. If acquittal is not possible, either tamper with the jury, or try to get the charges dismissed by buying off the prosecutors. Soon, no court will hear the case against the perpetrators.