This episode is brought to you by Tinder.

Life is full of possibilities.

A cheeky reply to a message here could lead to a world of fun new experiences over there.

And with Tinder, it all starts with a swipe.

Strangers can become mates, mates can become lovers with matching tattoos.

Or maybe it's not that serious.

Whether a match leads to something new and exciting or something personal, no matter what.

All matches lead to self-discovery.

Download Tinder now.

The woman who answered the door when I knocked, had tears in her eyes.

She clutched her housecoat tighter around herself and took me in, looking me up and down.

Mrs. Burton, I'm Agent Barnes.

My eye come in please.

She regarded me through the glass, staring coldly at my face.

They said you'd be coming.

You're from the FBI, some sort of special unit?

That's right, ma'am.

I said, pulling up my ID badge and showing it to her.

After examining it for a while, she turned the handle, pausing to take a quick, hopeful look around the neighborhood,

before finally holding the creaking screen door open for me.

I stepped up the wooden staircase and entered the house.

The home was well kept.

...