>>110675
Collect information on every node in the network. And just as importantly, every edge in the network - that is, the relationship between one node and another. Finances, organisational structure, typical meetup locations, everything.
Build dossiers on everything they are, everything they have, and everything you have on them.
But most importantly, bide your time. Don't be brash and expose yourself so early. As the anon above me says, there may always be room to ascend in the network and attain even more information. You will probably know when the time is right to act.