Keith Morrison

It looked like the killer sat down after that, said an investigative source, and left behind impressions in blood on a bedroom chair.

It looked like the killer sat down after that, said an investigative source, and left behind impressions in blood on a bedroom chair.

But as he left the bedroom, intending to exit through the same kitchen door where he entered, the killer was surprised again by another roommate. Dylan Mortensen had heard various unexplained noises that night and at that moment opened her bedroom door. After hearing a noise, she said she thought was crying coming from Zanna's room, according to a police affidavit.

But as he left the bedroom, intending to exit through the same kitchen door where he entered, the killer was surprised again by another roommate. Dylan Mortensen had heard various unexplained noises that night and at that moment opened her bedroom door. After hearing a noise, she said she thought was crying coming from Zanna's room, according to a police affidavit.

Later in charging papers, police said Dillon told them she heard a male voice say something like, "'It's okay, I'm going to help you.'" And saw a male in black clothing and a mask that covered the person's mouth and nose walking towards her. She said he was 5 feet 10 or taller, not very muscular, but athletically built with bushy eyebrows.

Later in charging papers, police said Dillon told them she heard a male voice say something like, "'It's okay, I'm going to help you.'" And saw a male in black clothing and a mask that covered the person's mouth and nose walking towards her. She said he was 5 feet 10 or taller, not very muscular, but athletically built with bushy eyebrows.

She said the male walked past her as she stood in a frozen shock phase.

She said the male walked past her as she stood in a frozen shock phase.

But she was not. Dylan said the man walked away while she locked herself in the bedroom.

But she was not. Dylan said the man walked away while she locked herself in the bedroom.

He would have probably assumed that she was about to call 911. He better get the hell out of there.

He would have probably assumed that she was about to call 911. He better get the hell out of there.

And here, at 4.20 a.m., is suspect vehicle one as it bursts back into the range of that security camera. At a high rate of speed, the car raced toward the intersection, turned right, and disappeared from view. His car left in such a hurry he almost hit somebody. Yep, that's right.

And here, at 4.20 a.m., is suspect vehicle one as it bursts back into the range of that security camera. At a high rate of speed, the car raced toward the intersection, turned right, and disappeared from view. His car left in such a hurry he almost hit somebody. Yep, that's right.

If he was, he wasn't the only one. As suspect vehicle one careened out of the King Road neighborhood at 4.20 a.m., Dylan Mortensen was still locked in her bedroom, making calls to roommates. Calls that would never be answered. But for whatever reason, she did not call 911. Downstairs on the first floor of the house, Bethany Funk was also making calls to Zanna and Kaylee. 422, Dylan texted Bethany.

If he was, he wasn't the only one. As suspect vehicle one careened out of the King Road neighborhood at 4.20 a.m., Dylan Mortensen was still locked in her bedroom, making calls to roommates. Calls that would never be answered. But for whatever reason, she did not call 911. Downstairs on the first floor of the house, Bethany Funk was also making calls to Zanna and Kaylee. 422, Dylan texted Bethany.

No one is answering. I'm really confused right now. Dylan texted she saw someone wearing a ski mask almost, also something over his head and mouth. I am not kidding, I am so freaked out. Then Bethany to Dylan, come to my room, run, down here. Dylan left her room and began running toward Bethany's room downstairs.

No one is answering. I'm really confused right now. Dylan texted she saw someone wearing a ski mask almost, also something over his head and mouth. I am not kidding, I am so freaked out. Then Bethany to Dylan, come to my room, run, down here. Dylan left her room and began running toward Bethany's room downstairs.

On her way she noticed Zanna lying on the floor of her bedroom, with her head toward the wall and her feet toward the door. Dylan thought Zanna was drunk, she would say later. After Dylan reached Bethany's room, the two roommates continued trying to text and call the victims upstairs. No answer.

On her way she noticed Zanna lying on the floor of her bedroom, with her head toward the wall and her feet toward the door. Dylan thought Zanna was drunk, she would say later. After Dylan reached Bethany's room, the two roommates continued trying to text and call the victims upstairs. No answer.