And here he goes, original.

Each week, we decide who's to blame for historical tragedy.

And each week, you tell us if we got it right.

My name is Rebecca Delgado-Smith, and this is The Aftermath.

Hey, everyone.

Thanks for tuning into this episode of The Aftermath.

Today, we're speaking with guest expert Mark Beckoff.

Mark is a professor emeritus of ecology

and evolutionary biology at the University of Colorado,

a fellow of the Animal Behavior Society,

and a past Guggenheim fellow.

With Jane Goodall, Mark co-founded the organization,

ethylogist for the ethical treatment of animals,

citizens for responsible animal behavior studies in 2000.

Let's hear what he has to say about the death of Harambe

and the Cincinnati Zoo toddler incident.

Hi, Mark.

Thank you so much for joining us today.

My pleasure to be here.

Thank you for having me.

So I wanted to start off by getting maybe just

some general knowledge of Western, lowland gorillas,

...