Who has the poison?

Magnus and Allison arrived at the house soon after we had called for them. We had told them the details they needed to know and put them on work. There were at least twenty packs surrounding ours, some couple hours drive away while some a small plane ride away. The packs that were small, covering little towns were ruled out as they were wealthy enough to buy the poison Sydney and whoever had helped her create it. Leander knew Sydney and she wasn't going to give anyone with a cheap price. It was her work and she must've received a great sum of money by selling it. We short-listed five packs and then looked at the timeline of Sydney's visit to these packs. The ones she hadn't visited at all were ruled out as well. At the end, we were only left with three packs. The Goldridge Pack The Iron Claws The Silverpaw Pack We had our suspicion on all three but couldn't find enough evidence to blame one. Night fell and the sky became as dark as it could. Heavy clouds formed, promising a rainy night