This is bullshit alarmism by McCarthy.
The US and the West established the Gold Standard of information warfare decades ago. The Russians are still playing catch up.
The gap is enormous.
It's called "Associated Press"
His point is you fight back with spooks and cyberweapons - not freakin’ lawyers.
The American government has become an international joke.
In that context 13 internet trolls are just a drop in the bucket. And from a fraud point of view, using false documents to set up bank or Paypal accounts is something that happens thousands of times a day in the illegal immigrant community.
For every Russian posting nonsense to divide our nation, we probably have 100 non-citizens posting messages to help their point of view, or donating time to campaigns, or marching with signs in favor of one candidate or another.
When do you think Mueller is going to indict them?