The Judas Gate

This is an okay book written by Jack Higgins. A disturbing audiotape has made its way to General Charles Ferguson, advisor to the Prime Minister, and from him to the President of the United States: battlefield chatter from an ambush in Helmand province, Afghanistan, in which twelve U.S. Army Rangers and a British medical team died. Most of the Taliban voices are Afghan, but not all of them – shockingly, some of them are British, and one in particular, the voice of the commander, bears an Irish accent. The idea that one of their own could be responsible for such a massacre is appalling, and Ferguson immediately puts Sean Dillon in charge of hunting the traitor down.