EXCLUSIVE: 'Behind The Scenes' Look At Heart Of Security For 4th Of July Celebration

<span style='color: black; line-height: 115%; font-family: "Arial","sans-serif"; font-size: 10pt;'>For the first time we get to see inside of Philadelphia's FBI Command Center and a peek at the plan to keep you safe.  Walt Hunter has the exclusive story.</span><br/><br/>