Fence-jumping incident prompts Homeland Security review . The incident led to the resignation of Secret Service Director Julia Pierson . The U.S. government has been investigating the incident, which occurred in a remote area of southern Afghanistan on July 5. Canine agent was slowed because he was on his cell phone , review says .
Fence-jumping incident prompts Homeland Security review . The U.S. government has been investigating the incident, which occurred in a remote area of southern Afghanistan on July 5. Canine agent was slowed because he was on his cell phone , review says .