4:00 in the morning, you would have to know what room they are sleeping. in two of the roommates were not killed. and do you think the other the other two that were killed maybe if they re targeting one person, the other two woke up and saw the murderer? you know, ainsley, it s hard to say actually what happened here. but i can tell you in the next hour we will be giving you more of a demonstration of it. but, this is a three story home. there are two bedrooms on the first floor. there are two bedrooms on the second floor and the third floor. and it is believed that the killer killed these young victims on the second and third floor. so, we are really taking a strong look at those floors. i have to believe that the person knew something about the layout of this place. it is more likely than not that the killer, the perpetrator or perpetrators have been in this ....