 After the outbreak of war, Mosley led the campaign for a negotiated peace, but after the Fall of France and the commencement of aerial bombardment (see the Blitz) overall public opinion of him turned to hostility.In mid-May 1940, Mosley was nearly wounded by assault.Unbeknownst to Mosley, the British Security Service and Special Branch had deeply penetrated the BUF and were also monitoring him through listening devices.