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.

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.

The $1.2m dollar “forever” home Patterson leaves behind in Leongatha, where she murdered three members of her family and ...