Triple-murderer's claims of accidental mushroom poisoning unraveled as evidence showed she had disposed of a food dehydrator containing death cap residue following the murder of victims.

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.

Erin Patterson looks much like you’d expect any middle-aged Australian woman to – brown hair, glasses, unremarkable clothes. As University of Sydney criminologist Dr Helen Easton pointed out, “she ...

Criminal experts have described mushroom killer Erin Patterson as a ‘formidable witness’ who ‘knew what she was doing’.