Many of the low level people will be killed off, although it will look the opposite. If the truth being revealed causes more harm, ie embarrasses authorities, covert operations are conducted to slow kill/silent kill the target. Fades away quietly without upsetting the mass.
They consider these targets animals. As such they are fighting fire with fire, notice the plane crashes. No evidence it was brought down deliberately, plausible denieability. They want them to run, creates opportunity to strike, also prevents mass influx of courts.