someone inside the perimeter as the shots rang out, brian lilly, host of by line program on sun news network in canada. you were trapped inside of the building, brian, as all of this was going down. >> no. actually i was outside of the building talking to people as they were coming out but we do have new details on how he was able to penetrate so deeply inside. it's a building i worked in for years and those hallways i have walked on a daily basis for years but i wasn't inside yesterday. jon: so how was he able to get so far into basically the seat of government in canada? >> well, the main doors of parliament are almost open to the public. they're mainly used as exits for tourists who go on tours. if you want to go on a tour of parliament, go through security and metal detectors underneath and exit by that building. but those front doors are open for members of the house of commons and senators to go in and out of. the gunman used those doors. he ran up the steps. he ran through the doors. those first two guards he you encountered are unarmed security guards. there is another flight