griddio was respected of lora bidner jumping -- bido. video was respected of sim shooting nathan cirillo at the wore memorial. s house of commence paid an emotional tribute to the fallen soldier. ♪ o canada we stand on guard for the >>> later the sergeant at arms, kevin vick areas, who shot and killed the gunman was hailed as a hero, receiving a standing ovation in the house of commence chamber. the gunman was described as a 32-year-old criminal. he may have hinted at his intentions. >> we have zgs that suggests an association with some individuals who may have shared his views. >>> cannes aid gan officials pledged to adopt laws. but the united states was on high alert for terrorist infiltration. we shared borders with canada. it's crossed by 300,000. the federal bureau of investigation is working with authorities on the investigation. >> for more we are joined from vancouver. a former member of canada's advisory. and by robert grenier who is an al jazeera contributor. it's great to have you with us. i'll start with you. how vigilant is