Article has been updated and this is what I suspected.
excerpt:
“Waters’ plea is part of a deal with federal prosecutors, according to documents filed Tuesday in U.S. District Court, who have promised they will recommend she serve no more time behind bars providing she fully cooperate — and provide new, useful information — with the government’s ongoing domestic-terrorism investigation into the Animal Liberation Front and Earth Liberation Front.”
Check new article at this article link.
so the deal is instead of more time he turned her to pursue other convictions. I see