Yes, I've even had some people in my group.
Right now we have 100 volunteers from our town and a neighbouring town, Meota, which works with us. We have to keep a handle on probably a dozen in our own group so that vigilante justice does not happen. We talk to people over and over again about vigilante justice, saying to try to phone us if you can't reach the RCMP; we'll look after it. We'll get the RCMP out. It seems that we can get them out more easily than they can.
We've tried to stay away from it. So far we've been successful, but there are some people at the breaking point.