A constitutional complaint can be brought by individuals whose fundamental rights have been violated through an act of a state authority. In Germany a constitutional complaint (Verfassungsbeschwerde) can be brought on a federal or a federal state level.
On 4 September 2009, two US fighter jets, acting on the orders of German Army Colonel Georg Klein, bombed a large group of people and two tanker trucks on a sandbar in the Kunduz River in Afghanistan. More than 100 people were killed or injured. ECCHR is assisting Abdul Hanan, a father who lost his two sons, aged eight and twelve, in the attack.