Dr. Curtis has thus far made only a single appearance in The Centre, but put everyone on edge when he did show up there.

He’s a criminal psychologist who was hired by Mr.Raines to find out who shot at him in Boston (before Sydney’s bedside confession to Jacob). He questioned everyone at The Centre who was even remotely linked to the Boston scenario, including Sydney, Miss Parker and Broots. When he finished his work, however, he told Mr. Raines that he had been unable to determine, exactly, who had fired at Raines in Boston, and concluded that any one of the people he interviewed could have been the culprit. Mr. Raines then threw Dr. Curtis out of The Centre on his ear.

Shortly after his visit with Raines, however, Dr. Curtis showed up in San Francisco and was approached by Jarod (or someone who looked exactly like Jarod), who had been blackmailing Curtis into lying to Mr. Raines. We don’t know what Jarod had on Dr. Curtis, but it was enough to make him risk his life (by thwarting Mr. Raines) to get Jarod the information he wanted. Dr. Curtis turned his documentation over to Jarod, which indicated who had done the shooting in Boston. “We’re even…” Dr. Curtis then told Jarod with a weak smile, to which Jarod muttered threateningly, “…For now.”