Complex sentence: In his sniper's nest, the Jackal readies his rifle and takes aim at de Gaulle's head, but his first shot misses by a fraction of an inch when de Gaulle unexpectedly leans forward to kiss the cheeks of the veteran he is honouring.
Split into simpler sentences: In his sniper's nest, the Jackal readies his rifle and takes aim at de Gaulle's head. But his first shot misses by a fraction of an inch, when de Gaulle unexpectedly leans forward to kiss the cheeks of the veteran he is honouring.