Triple murderer Erin Patterson has been sentenced to life for the murders of three relatives and the attempted murder of another after serving them her deadly beef wellington dish. Some experts say Erin is a narcissistic psychopath, with no empathy or remorse. So why did she murder her in-laws, and will she appeal her conviction? 

In this episode of The Briefing, Natarsha Belling is joined by Criminologist Xanthe Mallett to unpack today’s history development and why she believes Erin thought she was going to get away with the murders. 

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