The Strange, Lethal Friend

Jim Standish, a certifiable tough guy, had been given a medical discharge by his government and was floating through life. While saving a co-worker's life, he lost his low-stress job and befriended a lethal AI robot who could and would quietly kill anyone it distrusted. . . including Jim, if he was careless. While helping his new friend, Jim got engaged to a beautiful, tough, no-nonsense attorney who had her own special talents . . . and problems, even an incredible inheritance that she told no one about. He set up his own sleuth agency to be near her. His first project was more dangerous than expected, and now his fiancée has been targeted for assassination by bad guys who are after Jim