2. The weapons themselves were not the problem. Gas canisters stockpiled unsafely near parliament is a huge concern. And weapons found in Coutts were directly linked to a credible threat of an attack on RCMP members (high-capacity magazines are extremely illegal).
3. The Emergencies Act is subject to the Charter of Rights and Freedoms. It is written into the Act itself. The Charter, which continues to be supreme to the Emergency Act, forbids retroactive punishment.
4. See above. This is not a charity or nonprofit. It is a criminal organization that is under investigation.