The victim suffered some of the most horrendous injuries I'd ever seen.

Her phone called 911 and immediately hung up after that.

To me that was one of the things that I felt was important to cracking this case.

What led up to those moments of her phone calling 911?

And then just everything started to fall in place after that, you know, all of the dominoes are just starting to really kind of fall. I'm Scott Weinberger,

investigative journalist and former deputy sheriff.

I'm Anaseika Lizzi, former New York City homicide prosecutor and host of investigation discoveries true conviction.

And this is anatomy of murder.

Wide open spaces, big mountains, and even bigger skies.

That's why most people fall in love with Congress. big why so many people decide to stay.

The city of Longmont, Colorado, located north of Denver

at the base of the Rocky Mountains,

is a post-card perfect community that boasts over 300 days of sunshine a year and if there was ever a place to put down

roots it is here. It's in Boulder County so we're about 30 minutes east of Boulder and about 30 minutes south of Fort Collins.

It's a unique place in that it's a very stable community.

We don't have a lot of a transient population that moves in and out of here a lot.

Most of the people who have been here have been here for a long time.

That's the voice of Cody Clark, a detective at the Longmont Police Department.

A Colorado native, Cody grew up knowing that he wanted to be a police officer.

Swop out the squad car for a horse and a 10-gallon hat and Cody could have been one of those

old-fashioned sheriffs right out of a classic Western.

My godfather has been a police officer.

...