I'm a human being. I'm sorry more than I can express. Every day it runs through me.

What happened? Will? That's where I ran. It felt like there was something going on.

The multiple red flags. He's got a fire alarm on him. He is armed with more than one handgun.

An AR-15 with him. A shotgun. To say cold blood doesn't really capture what happened in that driveway.

Josh and Amber are dead. I'm like, oh my god, no!

It sounded like it was premeditated. They had no idea what was coming their way.

They put explosives in the door. They blow the door. What a show. It was like a command of operation.

It was straight off the military. It felt like a horrible thing.

I blame myself for everything.

This story about young couples and their children, their tangled relationships, is so disturbing.

You might question what kind of creatures we humans are. You've been forewarned.

We have a lot of strange cases in the course of daylight, but this one has a chilliness to it that just unmatched.

It's something you don't usually hear about.

The trip into the darkness begins actually on a sunny fall day, October 22, 2018, in the sleepy town of Sodus in Wayup State, New York.

Tiffany Thair was heading out to the grocery when her two-year-old got fussy about wanting candy.

We went to the kitchen to grab gummy bears, saw my neighbor talking with a gentleman outside and didn't think nothing of it.

Her neighbor, Josh, leaning against his truck seemed deep in conversation with someone she didn't recognize.

Josh's girlfriend, Amber, had just pulled into the driveway.

Tiffany reached for the gummy bears, and that's when she heard it, a gunshot.

Turned back out my kitchen window and see Josh grab his chest.

In Amber at that point, he had threw her gummy reverse, and right as she was going to be past the shooter, he turned to shot her right ahead.

Tiffany threw herself on top of her child, crawled to her front door and bolted the lock.

...