The former President, a dictator toppled by civil war, is on trial for numerous crimes. He's been handled by an international court for international crimes, and now he's in the American system (led by a new administration) charged with various domestic crimes. He is accused of ordering... A cyberattack against a power company which serves a major city Sabotage of the plane of his political rival, resulting in said rival's death A false flag bombing of the White House to justify law enforcement crackdowns on protests in DC A shoot-to-kill operation against his rival's successor The bombing of a lake with a thermobaric bomb as a show of force to a rebel army (injured 6 people) The use of white phosphorous bombs in a civilian area during the civil war He isn't found guilty of all of these crimes, but he is charged in relation to them. What charges might these be? I wanna know so I know what the jury reads in the verdict
Everything on your list is an abuse of power/authority. You may use that. It may not be very realistic law-wise, but depending on the type of your book and your audience, it may be fine.