She was played by Erica Cerra.
Emma Correia was the leader of a triumvirate of telepaths simply known as The Triad, who were sent to the Sanctuary to interrogate Helen Magnus for the murder of Bigfoot. During the interrogation, Big Bertha, a highly powerful Abnormal, is mentioned, and she was captured by a group of mercenaries in the small country of Djibouti. It was revealed that Emma paid the mercenaries to capture Big Bertha and had also been leaking secrets from the Sanctuary Network. At episode's end, the evil Emma and her paid henchmen went to retrieve Big Bertha—only to find an empty truck with a tracking device and Will and the others waiting for them.