Shatasha
It isn't your fault. I don't think Echo will give up my name. Aside from you and her, Cosima, Sam Wilson, and the twins know about the suspicion.
I don't know the words themselves, but Zemo is the one who retrieved them from HYDRA and used them to trigger Barnes into escaping custody. He had framed Barnes for a bombing that killed several people, including the ruler of Wakanda. In part, it's what led to our overall split.