Democrats are sharpening their political knives for Green Party presidential nominee Jill Stein before November’s election, a change in strategy compared to earlier in the cycle when party operatives were concerned they could elevate her with criticism.

But with independent presidential candidate Robert F. Kennedy Jr. suspending his campaign and endorsing former President Donald Trump, Democrats are ramping up their attempts to counter any appeal Stein may have for voters who would otherwise select Vice President Kamala Harris, determined to learn from 2016 Democratic nominee Hillary Clinton‘s mistakes eight years ago.