Complex sentence: In his book, he identifies the man who fired the fatal shots at Bin Laden as simply the "Point Man", while admitting to firing his weapon when Bin Laden was "In his death throes".
Split into simpler sentences: In his book, he identifies the man who fired the fatal shots at Bin Laden as simply the "Point Man". Bisonnette himself admits to firing his weapon at Bin Laden when he was "In his death throes".