I think that if the two female victims were sleeping in the same bed, it was simply because the house may have been cold, and/or as they are old friends soon to part, for comfort.
I worked once for an acupuncturist and he said 3 am is what is called ‘kidney time,’ that is, when most people are prompted physically to wake to use the restroom. Perhaps E did just that and the killer ran into him on the way out.
I think LE should investigate motel/hotel/air bnb/campsite etc records for lone male visitors to the area that night.
In reading all this info it seems there are ‘normal’ things ie known and familiar: frat and sorority parties, dive bars and food trucks and fast food after hours, young people on social media, a group of close friends, old friends, new friends, travel and work plans, unlocked doors in a safe town, a college age couple in love, neighbors going about their lives who aren’t college students living among college students, pets. This is all normal in a college town.
The only ‘new’ thing is the NEW car. In my opinion it is connected somehow to the murders. I think LE should investigate the dirt in the tire treads to discern where the cars have been, the owner history of the car,
and anywhere the car has been between KG’s hometown and Moscow. Someone may have even put an AirTag in the car and monitored her whereabouts. JMO.