Did I miss something -- Spoiler
Could someone answer the following questions for me? (I'm usually good at these types of movies, but I must have missed something.)
If the killer kills the family members of people who were involved in the drunk driving death of her family, why did she kill Jack and not a member of his family? And since she killed Jack, why did she go after Helen? Also, how did she manage to kill Marty's wife as he was breaking into his wife's house? Wouldn't she have waited for him to leave, like she did with the young boy she killed after Ben left. Wasn't she afraid that Marty would see her, albeit in a mask?