You got that backwards. Carville is dem, Mary is GOP. At least that is the roles they play.
He's right. A lot of Clinton friends and supporters (criminals) may face death either as justice or to shut them up. Maybe even a couple named 'Clinton.'
He is likely to go down too. His wife just praised Trump, maybe looking for a deal.
Both are deep state actors.
They run campaigns all over the world. Their shtick is to promote different sides creating a win for them regardless of the outcome.