Yes I understand. But Stellander seems to think that CB's lawyer would use Stellander's research if it came down to it. If CB was charged or put on trial.
Does CB's lawyer know about this?

You seem to overlook the fact a cottage industry has grown out of the internet and true crime. All sorts of people claiming to have special powers, knowledge, qualifications etc, etc. Probably the most ludicrous was Daniel Krugel.