they confirm he was 22 years old, had a violent criminal record and a history with gangses. his rampage started saturday afternoon when gunshots shattered glass during a free speech debate organized by controversial cartoonist lars vilks. you can here the gunshots approaching. i could hear the shouts. >> reporter: vilks survived but one man died and three others hurt. by nightfall, panic and evacuations as shots rang out again, this time outside a copenhagen synagogue. a 37-year-old jewish man gunned down working security for a bat mitzvah. the gunman ran away but later authorities exchanged fire with him. >> woke up at the shooting and looked out the window and saw a lot of policemen and the guy laying in the street. >> investigators made several arrests, still searching for answers. >> developing news. new video reportedly shows islamic state militants in libya beheading egyptian christian hostages. the 21 hostages were dressed in orange jump suits. the egyptian government says the video is authentic seven-day murrenning period has been declared in the country. >>> midnigh