What makes a serial killer and why are we fascinated by them?

Books, films, documentary series – the serial killer market is hugely profitable. We just can’t get enough of murder, horror and psychopaths. Why is that? To try to answer some of those questions, The BelTel's Ciarán Dunbar spoke to Craig Jackson, Professor of Occupational Health Psychology, at Birmingham City University. Host: Ciarán Dunbar Guest: Craig Jackson

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