AOC will leave Congress when she wants to leave. The Democrats are stuck with her. Even if a grand jury indicted her, and a Democrat prosecutor tried her, the jury would cut her loose.
In the words of the late Mayor of Boston, Mumbles Menino, she’s an Alcatraz around their necks.
I'm gonna use that...
I’d wager that the 2020 gerrymandering in NY will change the demographics of her district in the attempt to oust her, putting her up against another incumbent.