Checkpoint Charlie — Brian Garfield

At the end of the Cold War, a brutal murder in a Moscow alley forces two rival agents together in a mission to catch a serial killer - before it’s too late.

Moscow is a bad place for an American to walk alone, particularly a woman as beautiful as Ann Harris. An economist in the American embassy, she thinks she knows the town. She thinks she is safe. She’s wrong. Colonel Dimitri Danilov is irritated that Harris had to die on his watch. The peculiarities of the murder promise an interesting case, but American involvement will make everything needlessly complicated. Gumming up the works is William Cowley, the head of the FBI Russian desk, whose job is to keep men like Danilov from sweeping the murders of Americans under the rug. But as a serial killer terrorizes Moscow, the two must work together to thwart not only the killer, but also the corrupt city that protects him.