Former FBI lawyer Lisa Page was reportedly being stalked by a “troubled” Marine, who has since been discharged for confessing he was obsessed with her and mass shootings. The military shared the information with the FBI, but no one told Page she could be in danger, according to the report. In fact, the FBI determined that the man wasn’t an imminent threat, the New York Times reported. Months after the decision, he was outside of her home. John C. Perez pleaded guilty Thursday to a federal misdemeanor stalking charge, and he will be blocked from visiting the Washington, D.C., area for six month…