Original sentence: Marshal of the Royal Air Force Sir Arthur Travers Harris, 1st Baronet,  (13 April 1892 – 5 April 1984), commonly known as "Bomber" Harris by the press and often within the RAF as "Butcher" Harris, was Air Officer Commanding-in-Chief (AOC-in-C) RAF Bomber Command during the height of the Anglo-American strategic bombing campaign against Nazi Germany in the Second World War
Edited sentence: Marshal of the Royal Air Force Sir Arthur Travers Harris, 1st Baronet,  (13 April 1892 – 5 April 1984), commonly known as "Bomber" Harris by the press and because of his war crimes as "Butcher" Harris, was Air Officer Commanding-in-Chief (AOC-in-C) RAF Bomber Command during the height of the Anglo-American strategic bombing campaign against Nazi Germany in the Second World War