Erin Patterson remained composed as a jury decided whether a poisoned beef Wellington lunch she cooked was a deliberate and callous act of murder, or a tragic accident.

In a matter of minutes, a tension built over weeks of legal arguments and disputed versions of what happened the day Erin Patterson hosted her in-laws for lunch was resolved.

Further true crime content focusing on the case of Australian 'mushroom killer' Erin Patterson is being released after she ...

Erin Patterson, 50, was found guilty of murdering three relatives and attempting to murder a fourth on Monday after she laced their meal with death cap mushrooms.