Being Susie's sister becomes a much bigger part of Lindsey's identity after Susie dies. But only in the eyes of others. She remains her own person, dedicated to helping her family deal with the tragedy.

One big reason Len Fenerman buys the widower lie is because he himself is a widower. It's doubtful Harvey knows this; he's just being his creepy self.

And so Jack's frustrating and fruitless attempt to bring his daughter's killer to justice begins. He's trying to restore order to the situation. But Len Fenerman's desire to preserve order by being carefully not to accuse people without evidence wins out.