The real life case of Diane Downs which the movie is based on, foreshadows 1994 trial and arrest of Susan Smith by 11 years. Smith like Downs, also pursued a man who didn't want to be with her because she had children. Refusing to take rejection, Smith also fabricated a story about being car jacked by a strange man causing her two children to drown while strapped in their mother's car. The shocking and disturbing truth was, Smith confessed that she had purposely pushed the car into the river drowning the children in hopes of winning her boyfriend back. Both she and Downs remain in prison to this day. See more
When Diane brings a pizza over to her mailman friend Matt Jensen's house, she asks him if he likes mushrooms on his pizza while holding the pizza out to him. He says yes. But the pizza has no mushrooms on it, it is clearly plain. See more
[Implying that Diane bought the brass unicorn as a memorial for her children
I mean, maybe the kids were supposed to die on Friday the 13th and the plan got aborted, got postponed.
How could a mother do that? I mean, it's a primal instinct guard over the life of your child, it's your own mortality.
Yes, I know, right? But I've been reading her diary. Now, all the other entries are details. I mean, there's menstrual cycles, groceries, weather, going to work, coming home from work, ...