Fan Casting Everyone in My Family has Killed Someone

I knew our family reunion wouldn't end well. But I didn't expect murder. Maybe I should have known better. After all, everyone in my family is a killer. My parents, my siblings, my in-laws . . . even me. The deaths weren't all deliberate, of course. Accidents happen. So when a body is found in the snow, it's clear it's the work of a Cunningham. But which one? And why? I'll give you one clue: it wasn't me. *creator note* i know jon bernthal is not australian but i cant picture michael as anyone else