Complex sentence: Keramikos tells Blair that he is not there to write a script; he also claims that Mayne was a deserter from the British Army who ended up working for him in Greece, though he declines to divulge any more.
Split into simpler sentences: Keramikos tells Blair that he is not truly there to write a script. He also claims that Mayne was a deserter from the British Army who ended up working for him in Greece, though he declines to divulge any more.