This part was eerie as well. Maybe it was a spur of the moment murder?
But then, why was he driving around the house days before?
Also, why did he drive directly there, he should have parked far away and just walked. And also why would he bring his cellphone if he was just gonna turn it off while committing a murder?
This guy is the most calculated dummy ever.
It is said just before the murders, one of the victim received food delivery- from Dash door- maybe he was the driver, confused about the address and saw an opportunity and took it