Alaska cops returned gun to airport shooter -- who now faces death penalty
Esteban Santiago, is shown in this booking photo provided by the Broward County Sheriff's Office in Fort Lauderdale, Florida, January 7, 2017. Courtesy Broward County Sheriff's Office/Handout via REUTERS

MIAMI — On Nov. 7, Esteban Santiago parked at an FBI office in Anchorage, Alaska — leaving his newborn son and his gun in the car — and told agents the CIA was trying to control his mind, pushing him to watch Islamic State terrorist videos. The feds called local police, who took Santiago into custody…