The Secret Service will beef up its presence and enhance surveillance Monday . President Barack Obama is expected to visit the White House on Tuesday for a meeting with his national security team. The ex-stepson says Omar Gonzalez was being treated at Fort Hood in Texas . Gonzalez did three tours in Iraq , his mental state worsened after each , ex-stepson said .
The Secret Service will beef up its presence and enhance surveillance Monday . White House fence jumper 's ex-stepson tells CNN jumper has PTSD . The ex-stepson says Omar Gonzalez was being treated at Fort Hood in Texas . Gonzalez did three tours in Iraq , his mental state worsened after each , ex-stepson said .