The star of the hit CBS TV series continues her adventures as a part of DC Universe Rebirth in Supergirl Vol. 4! This public service announcement is brought to you by the Department of Extranormal Operations! You saw how Supergirl hid a murderer underneath National City right before our eyes. What other dangerous secrets is she hiding? She is not human, and therefore, she cannot be trusted. D.E.O. agents will be stationed at every school to ensure their safety! Your cooperation is greatly appreciated. Critically acclaimed writer Steve Orlando (Midnighter) continues his run on the series in Supergirl Vol. 4, collecting issues #15-20.