The CEO could very well be the ultimate target of this investigation, and could end up in prison.
In cases like this, the prosecutors frequently offer the lower-level suspects leniency if they cooperate with the prosecution of the high-level suspect. What we're seeing here could just be the beginning of a case that could last for a long time, with evidence against the CEO accumulating at each step.
The CEO is probably getting very nervous right now. Maybe his nervousness will make him commit some more crimes, like lying to the FBI or trying to destroy evidence.
True, but usually the smart CEOs bosses etc. give instructions coded in a way that can seem vague in a court of law (“We need to do something about Tony”) but are not at all vague to their subordinates. This is why you see Mob bosses frequently get 20 year sentences while their henchmen get life without parole because they can’t be conclusively tied to the murder.
In cases like this, the prosecutors frequently offer the lower-level suspects leniency if they cooperate with the prosecution of the high-level suspect. What we're seeing here could just be the beginning of a case that could last for a long time, with evidence against the CEO accumulating at each step.
The CEO is probably getting very nervous right now. Maybe his nervousness will make him commit some more crimes, like lying to the FBI or trying to destroy evidence.