I Catch Killers with Gary Jubelin
Aug 31, 2026 · 1 hr 7 min · 13 segments
In this second part of I Catch Killers, Gary and Rojé delve deep into the chilling psyche of Katherine Knight—the only woman in Australia sentenced to life in prison without the possibility of parole…
Rojé AugustinGuestGary JubelinHostUh, it's interesting having the twin sister and, and when you were talking about the upbringing, and you can see some of the things that could have set her off track.
Um, nature or nurture, certainly no expert on it, but I've done a little bit of, um, uh, research in, in discussions with, uh, James Fallon, who's a neuroscientist-
... who from, uh, from LA, and, uh, his interest in, uh, in, in some of the worst serial killers they had in United States and, and was doing PET scans on their brain to look if, if there was something in the, in the pattern within the brain-
Mm-hmm.And he actually, he found something, a consistency in there, something about, uh, delving into areas that I, I don't fully understand, but the cortex, the frontal cortex of the brain-
And he found that, uh, one of the, uh, PET scans came up with the same predisposition-
Uh, it's interesting having the twin sister and, and when you were talking about the upbringing, and you can see some of the things that could have set her off track.
Um, nature or nurture, certainly no expert on it, but I've done a little bit of, um, uh, research in, in discussions with, uh, James Fallon, who's a neuroscientist-
... who from, uh, from LA, and, uh, his interest in, uh, in, in some of the worst serial killers they had in United States and, and was doing PET scans on their brain to look if, if there was something in the, in the pattern within the brain-
Mm-hmm.And he actually, he found something, a consistency in there, something about, uh, delving into areas that I, I don't fully understand, but the cortex, the frontal cortex of the brain-
And he found that, uh, one of the, uh, PET scans came up with the same predisposition-
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