This is Hidden Killers Week in review.

I look back at the most prolific stories of the week.

This is Hidden Killers with Tony Brewski.

We've all heard the phrase, actions speak louder than words.

But when someone's actions, or in this case, inactions, lack of actions, are screaming red flags.

The World Watches Chris and Roberta Laundrie stayed silent, refused to help find their missing

future daughter-in-law, and then conveniently found their son's remains in record time

after a 37-day manhunt by hundreds of people.

But what do their behaviors actually tell us?

Were they just scared parents protecting their child, or were they coldly executing a plan?

Today we're looking at the psychological and behavioral patterns of the

laundries through the lens of someone who spent his career studying just that deception.

Former FBI special agent and behavioral analysis expert Robin Drake, because if anyone can tell

us whether these people were just socially awkward or full-blown obstructionists, it's him.

Robin, from a behavioral standpoint, when you look at the laundries and their response to this

case, and we're all getting a fresh review of it again with the new Netflix documentary

that's out there and seeing the depths of it in the ways that we've never seen before,

the silence, the inconsistencies, the burn after reading letter. What does it tell you? Were they

emotionally detached or were they actively trying to deceive investigators? What do you

think? Yeah, so what their actions are actually saying at those last moments, that's the challenge, because if we knew exactly that, we would know where to move from here, whether charges, no charges, and that kind of thing.

But I'm kind of going back further than that. As soon as this thing popped up again, the first thing that entered my mind is, as always, behavior

arcs. And there's no one, especially because we have letters and correspondence going between

...