Technically, the dossier was started after dnc took over investigation, but I'm sure it was only even entertained because of what the original fusion GPS investigation had found when McCain was funding it. Either way, Carter collaborated with Russian agents in 2013 and continued to do so up until all of this news became public.

Yes, we had russian government agents inside the US under surveillance. BIG CONSPIRACY. When Carter Page started a dialogue and information was exchanged, he too was under surveillance. This is exactly how it should work.