This is Hidden Killers Live with Tony Bruske, Stacey Cole, and Todd Michaels.

When investigators open the front trunk, the front trunk of a Tesla, they didn't just uncover a body.

They uncovered a snapshot of panic.

Of course, we're talking about the David case and the Celeste body in there,

the kind of impulsive split-second decision that says more about psychology than actual planning.

A 14-year-old girl, a 20-year-old musician, and a choice that makes no rational sense.

We don't even know if he's the one who put it in there, but we know the vehicle was registered to him. Hiding a body in a car, registered to one's own

name. It's not criminal genius. It's not the collapse of judgment. Something we see over and over again,

when young people make catastrophic choices that destroy lives in an instant.

And, well, David was surrounded by other young people that seemed to be very good at making catastrophic choices in an instant.

Today we're joined by psychotherapist Chauvon Scott, unpacking the psychology of that decision,

the why behind these senseless choices, and what the

developing brain has to do with all of it.

Sivan, welcome, obviously.

There's a lot of questions here.

Still in this case, we don't know who put the body in the trunk.

No one has been charged in this case whatsoever.

We don't even know exactly how she died yet.

But somebody thought this was a good idea.

Let's start with the basics.

When we talk about impulsivity,

impore decision making and young people,

...