Jason McDermott

Four of them were .22s, the same type of weapon used to kill Morgan.

Would Jason McDermott have access to that?

He would because the key was just a couple feet away in a drawer.

Jason McDermott went to their house the day before the

Morgan was killed and then he also went the day of she was killed in the afternoon.

Guns from that cabinet were tested and one came back as a possible match for that stray bullet found in Morgan's car.

The lab could not say for sure because that slug was too badly damaged.

Undeterred, investigators looked at Jason's movements before and after Morgan's murder.

One of the things that Jason McDermott had told me was that he had stopped at a local gas station on his way to his parents' house.

It happened after Jason finished his shift on the day Morgan was killed.

Investigators were able to get security video from that gas station.

And what they saw became an enormous piece of their case.

Jason was washing his car.

It's very unusual that someone takes their car through a car wash on a day that was pouring rain.

Oh, it was raining that day?

It was raining that morning.

Remember the tire tracks and the mud found on the fence at the crime scene.

It wasn't a leap for detectives to think Jason's car left those tracks and got splattered in mud.

Maybe his stop at the car wash was to get rid of that evidence.

backed up, and then went through that portion again, and then ran through the entire car wash.