It seems we are missing something so blatantly obvious. If the spec house is a piece of this puzzle, what does that mean? It means thats whenever the killer decided to walk through that door, he chanced running into a perspective purchaser. That would lead me to believe that he was aware of the schedule of showings for that property. (if what we have heard of the spec house is indeed true) Did she take someone there due to it's private nature and something innocent turned deadly? Was this, for lack of better terms, a sex~capade? Did whoever she was with hold her throat during sex? (which by the way is legitimate and I can't believe people do this) Google it. Or don't. It's pretty disturbing. Did this kill her and the person panicked? Maybe it was someone who absolutely COULDN'T be found out to have been with her so he figured covering this up was his best option? Could something so well though out and seemingly painstakingly organized actually be a chaotic mess with so many variables it is leading LE (and us WS~ers) on a wild goose chase? Who could stand to lose everything they have ever had and everything they have ever wanted if discovered to be having a relationship with Mac? Anyway, my husband thinks I am a crazed lunatic, but I thought I would throw it out there after watching "Worlds Greatest Dad" and seeing this newest theory of mine come to fruition. It is obvious I need a glass of wine. (it is 6 pm here, so that is OK, right?)