Infamous triple-murderer Erin Patterson allegedly tried to poison her husband multiple times before she killed three relatives with a mushroom-laced beef Wellington. Loading audio...

The Australian woman was found guilty of murdering three relatives last month by feeding them a beef Wellington laced with deadly mushrooms.

She was originally charged with three counts of attempted murder against her ex-husband, Simon Patterson, but these charges were dropped.

Three people were killed after eating the deadly Wellington, Patterson's former in-laws, Don Patterson, 70, and Gail Patterson, 70, as well as Gail's sister, Heather Wilkinson, 66.

Now it has emerged that Mr Patterson believes he was subject to a multi-year campaign to murder him by his estranged wife through a series of poisoned f

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