I'm Andrea Canning, and this was one of the most fascinating stories I've covered because

of the access I had to the prime suspect, doing not just one interview, but two over the

course of seven years.

Seven years, by the way, is how long it took to solve this murder.

And the clues were rich, endless security videos, text messages, and phone calls.

Even a dramatic weight loss would factor into this case.

But who was involved was the biggest headscratcher for me personally, as a mother of young children

– it's the last person I would have expected to get tangled up in a murder investigation.

Here's Point Blank.

Look carefully and ask yourself whether you can trust your own eyes.

Is this video of a man?

A woman?

A murderer?

Did you think that was the killer in the video?

I don't know.

Is it the same person here and here and here or not?

Hard to say.

And yet everything hinged so much on these videos.

Correct.

Everything included a murder trial that would be years in the making and a mystery that began

with a body in an almond grove just west of Bakersfield, California.

Some workers who found the body of Todd Chants in this almond orchard the morning of August

...