Amit Katwala

However, in order to get certification from the American Polygraph Association requires a 12 week course, I think it is. So we're talking about a few thousand dollars, a few months, and then that's it.

However, in order to get certification from the American Polygraph Association requires a 12 week course, I think it is. So we're talking about a few thousand dollars, a few months, and then that's it.

However, in order to get certification from the American Polygraph Association requires a 12 week course, I think it is. So we're talking about a few thousand dollars, a few months, and then that's it.

Those ways of... I don't know if there's ever been kind of a direct comparison done with the same subjects, but a lot of other methods of detecting lies have been very thoroughly tested, but they all suffer from the same sort of fatal flaw, which is you can't be sure. And with something like lie detection, you kind of need to be sure, right?

Those ways of... I don't know if there's ever been kind of a direct comparison done with the same subjects, but a lot of other methods of detecting lies have been very thoroughly tested, but they all suffer from the same sort of fatal flaw, which is you can't be sure. And with something like lie detection, you kind of need to be sure, right?

Those ways of... I don't know if there's ever been kind of a direct comparison done with the same subjects, but a lot of other methods of detecting lies have been very thoroughly tested, but they all suffer from the same sort of fatal flaw, which is you can't be sure. And with something like lie detection, you kind of need to be sure, right?

If you are running someone in a murder case where the crime is capital punishment, then you need to be 100% sure that... they are going to be susceptible to the particular type of lie detector you're trying to use on them. And there's no evidence to suggest that everyone will display exactly the same range of physiological responses to telling a lie.

If you are running someone in a murder case where the crime is capital punishment, then you need to be 100% sure that... they are going to be susceptible to the particular type of lie detector you're trying to use on them. And there's no evidence to suggest that everyone will display exactly the same range of physiological responses to telling a lie.

If you are running someone in a murder case where the crime is capital punishment, then you need to be 100% sure that... they are going to be susceptible to the particular type of lie detector you're trying to use on them. And there's no evidence to suggest that everyone will display exactly the same range of physiological responses to telling a lie.

And actually, you might expect that a psychopath or a serial killer might not actually show the range of emotional responses that you would expect. So maybe those people are actually less susceptible to lie detectors than your ordinary man on the street because they already have... a kind of different range of emotional responses. And actually, that's what we're looking for with the polygraph.

And actually, you might expect that a psychopath or a serial killer might not actually show the range of emotional responses that you would expect. So maybe those people are actually less susceptible to lie detectors than your ordinary man on the street because they already have... a kind of different range of emotional responses. And actually, that's what we're looking for with the polygraph.

And actually, you might expect that a psychopath or a serial killer might not actually show the range of emotional responses that you would expect. So maybe those people are actually less susceptible to lie detectors than your ordinary man on the street because they already have... a kind of different range of emotional responses. And actually, that's what we're looking for with the polygraph.

Yeah, I think it's used because it's convenient. So if you can get a confession from someone using the polygraph, that's much cheaper than... having to go out and collect all the evidence and then take the case to court and all that kind of stuff. It is slowly being superseded by different forms of lie detection in some fields.

Yeah, I think it's used because it's convenient. So if you can get a confession from someone using the polygraph, that's much cheaper than... having to go out and collect all the evidence and then take the case to court and all that kind of stuff. It is slowly being superseded by different forms of lie detection in some fields.

Yeah, I think it's used because it's convenient. So if you can get a confession from someone using the polygraph, that's much cheaper than... having to go out and collect all the evidence and then take the case to court and all that kind of stuff. It is slowly being superseded by different forms of lie detection in some fields.

I think there's kind of new inventions that are cheaper to run than the polygraph that don't require a trained examiner and all this kind of stuff. So we might see it shifting away from the polygraph towards new forms of lie detection in the future, but it's convenient. People believe it works and, you know, it gets results easily.

I think there's kind of new inventions that are cheaper to run than the polygraph that don't require a trained examiner and all this kind of stuff. So we might see it shifting away from the polygraph towards new forms of lie detection in the future, but it's convenient. People believe it works and, you know, it gets results easily.

I think there's kind of new inventions that are cheaper to run than the polygraph that don't require a trained examiner and all this kind of stuff. So we might see it shifting away from the polygraph towards new forms of lie detection in the future, but it's convenient. People believe it works and, you know, it gets results easily.

Actually, a lot of the time it gets the results that the people running the test are looking for. Whether it actually gets to the truth is a kind of different question.

Actually, a lot of the time it gets the results that the people running the test are looking for. Whether it actually gets to the truth is a kind of different question.