The Mulberry Bush - Charles McCarry

Many years ago, a young American spy crossed the wrong people and found himself on the wrong side of Headquarters. He soon fell into a slow, shameful decline of poverty and self-destruction. But Headquarters didn’t count on him having a son. Now, years later, the boy is an American spy himself, serving two masters: Headquarters and his own insatiable need for revenge. Sent to Argentina to infiltrate a revolutionary group with deep ties to Russia, the young man finds himself dangerously drawn to