Editor’s Note: If you or someone you know is struggling with suicidal thoughts or mental health matters, please call the 988 Suicide & Crisis Lifeline by dialing 988 to connect with a trained counselor, or visit the 988 Lifeline website .) It was news that Pauline Stuart thought might never come: The man believed to be responsible for the death of her teenage son years earlier is finally behind bars. “It still seems a little unreal that it happened,” she told CNN on Thursday. “I kind of