When Cross is called to investigate a massacre-style murder scene, he is shocked to find that the victim is an old friend. Angry, hurt and more determined than ever, Cross begins the hunt for the perpetrators of this cruel crime. He is drawn into a dangerous underworld right in the heart of Washington DC that leads him on a life threatening journey to the Niger Delta where heroin dealing, slave trade and oil and gas theft are rife. Sequel to "Double cross", followed by "Alex Cross's trial". 2008.