After a president is impeached, but before he/she is removed from office, what has
to happen?
The FBI has to conduct an investigation
They have to be found guilty of high crimes and misdemeanors after a trial in the
Senate.
They have to be arrested by Federal police
(The Vice President must be found mentally competent.

They have to be found guilty of high crimes and misdemeanors after a trial in the senate.

Explanation: They cant be removed from office without having the proof.

although the legal justifications for the trials and their procedural innovations were controversial at the time, the nuremberg trials are now regarded as a milestone toward the establishment of a permanent international court, and an important precedent for dealing with later instances of genocide and other crimes