Keith Boyer died in 1988 in a hazing accident at college. Boyer is still relatively young and new to the game.
He is about 5 foot 2 inches tall and "thin as a matchstick." None of the watchers had given him a great chance for survival, but he did survive, and mastered his immortality better than anyone had thought he might.
Since 1991, he has left his first teacher, and traveled through Europe and the Middle East. He learned a lot about immortality and his place in it.
As of 1996, he could be not be classified as 'good' or 'evil' by his watcher, and by that time, Boyer had beheaded six immortals. Four of them had been hunting his head, and the other two (including Connie Richland) were just the luck of location.