Leonarde Keeler

Then the question is, do you corroborate that? But it's a legitimate lead and possible indication of confessions.

So by now, you might be asking the same question our listener Frankie asked us, which is how does the lie detector start becoming used in the professional workplace beyond the police? Well, it turns out Larson had a former co-worker named Leonard Keeler who brought the polygraph to Chicago in the 1930s.

And what's basically the first scientific crime lab in the United States, scientific crime detection lab.

And in that capacity, he's looking in part to raise private revenue.

I have spent 40 years of my life trying to say that it's not It's not perfect.

It's not the perfect machine, but this guy that took over Leonard Keeler has turned it into this, like, torture device, and I would like my name taken away from it.

It's like AI, you know? We've created it, and now we're like, what have I done?

Yeah.

He failed two polygraph tests.

That was administered by a polygraph expert, Leonard Keeler, who told Elliot Ness that Sweeney was definitely the killer.

So he failed them.

Basically, he didn't study.