sentences:  Luchenko said that the courts and legal system would investigate and prosecute those who committed crimes during Clark's presidency.When it was learned that the Drakh were preparing to destroy Earth, Captain Elizabeth Lochley of Babylon 5 convinced Luchenko to send a large fleet to confront the Drakh.Even though the Shadow planet killer the Drakh brought to destroy Earth was itself destroyed, the Drakh were able to successfully seed Earth's atmosphere with biological weapons.