Complex sentence: McCauley and Eady are en route to the airport when Nate calls with Waingro's location, and the temptation proves to be too much for the normally disciplined McCauley, who risks his assured freedom by detouring to exact his revenge.
Split into simpler sentences: McCauley and Eady are en route to the airport when Nate calls with Waingro's location. McCauley risks his assured freedom by detouring to exact his revenge.