CDU's Walter Lübcke was found with a gunshot wound to his head on the terrace of his home Detectives have questioned a man in connection with the mysterious death of the German politician Walter Lübcke. Lübcke, a district president in the central German state of Hesse for Angela Merkel's Christian Democratic Union (CDU), was found with a gunshot wound to his head on the terrace of his home in Istha, near Kassel, on 2 June.