The first two sources I see are unnamed.
You indeed "dunno".
Sourced:
[MTG] wrote on Twitter Tuesday that Mace is never attacked by Democrats or moderate Republicans “because she is not conservative, she’s pro-abort.”
Mace (S.C.), who is a rape survivor, supports restrictions on abortion. Greene’s suggestion that her colleague was “pro-abort” appears to stem from how as a state representative, Mace championed exceptions to an abortion ban for victims of rape and incest.
This is what 🦇 💩 🤡 looks like. https://t.co/nIbqjiJaFH
— Nancy Mace (@NancyMace) November 30, 2021
On Tuesday, Mace replied to Greene with three emoji: bat, poop and clown, referencing a common insult.