. >> bobby mack, was this a security failure?iterally it must've been a security failure on that perimeter. what is your analysis of what went wrong ? >> is my friend just said, there's a lot of issues here that are going to have to be looked at and dealt with. i think there are some very good things happened, the responses. hindsight is 20/20. some good things happened here, but i think there are some things that may not have been good here. i think there is some communications issues that may have been involved here. the bbc is reporting on an eyewitness who stated that they provided information to some type of law enforcement after seeing someone climb onto the roof of that building. i'm not sure it made it to the working shift in a timely fashion so that those supervisors there could've made a decision to take the former president off the dais and get him out of harms way before something like that happens. i think the secret service is going to have to look at a lot of aspects of what went on here. the advanced process and a