Wait, so far, I have seen nothing to indicate that the killer knew about the garage sale at all, let alone of the father initially planning to join and then changing plans. Where is this assumption coming from?
The car initially drove past the house, then turned around 180 degrees, then parked near her. So this theoretically even gave the driver the opportunity to see the lone female outside alone, even if they had initially not planned to murder her specifically at all, just someone (no, I don't personaly think that's the case, but looking at the odd actions of the car it cannot be ruled out). What is more, if the attacker planned to wait for, say, Sergios car to leave and then attack, then they could have just attacked her as she enters/exits the car or rang the doorbell and got the same end result (close-range shooting), but as she happened to be outside, that was not needed.
Don't get me wrong, I am not saying that the killer did not know about her plans. I am just saying, that there is nothing factual that I can see that is pointing towards the killer knowing her plans - it is possible they did not.
The car initially drove past the house, then turned around 180 degrees, then parked near her. So this theoretically even gave the driver the opportunity to see the lone female outside alone, even if they had initially not planned to murder her specifically at all, just someone (no, I don't personaly think that's the case, but looking at the odd actions of the car it cannot be ruled out). What is more, if the attacker planned to wait for, say, Sergios car to leave and then attack, then they could have just attacked her as she enters/exits the car or rang the doorbell and got the same end result (close-range shooting), but as she happened to be outside, that was not needed.
Don't get me wrong, I am not saying that the killer did not know about her plans. I am just saying, that there is nothing factual that I can see that is pointing towards the killer knowing her plans - it is possible they did not.