Hell to Pay - Robert Fisher

The Devil Woman is no more. The world's deadliest assassin has embraced peace and abandoned her violent past. She has faked her death years ago, now living as a nun in a small village in the jungles of Columbia. Meanwhile, on the other side of the world, enigmatic operatives have begun to doubt claims of her death. Some are determined to track her down, seeking to use her skills. Others want to punish for the sins of her former life. Her idyllic life is interrupted by a violent militia. No matter who finds her first it is guaranteed that there will be Hell to Pay.