That figure would have to be 60M today. I doubt they would stop at 60M non-democrat voters, they would kill their families and friends.
A much better plan is 100 good men, two in each state and 545 good men spread out across the states, to clean up the National Disgraces. Of course it might only take one good Naval Aviator to swoop in and eliminate the DAVOS crowd first.
We (more or less) know who they are, and where they are likely to be found. They must simply have "accidents", with plausible deniability.