desperate survivors pulled to safety from the worst shooting massacre in memory. at least 85 murdered. >> just like going around killing people like it was no deal. >> you just -- he was shooting everyone. he wasn't thinking. it feels look a nightmare. i don't believe this is true. >> reporter: police said the suspect hunted victims aged from 12 to 19, shooting them for 90 minutes. but when police finally arrived, this is a moment of surrender, no resistance. he had no police record. >> we have not arrested him before or anything like that. >> reporter: police say in may the suspect bought six tons of fertilizer, similar to the kind mcveigh used in oklahoma city. it may have been used to make the bomb. after setting off the car bomb that killed seven in oslo central square, the suspect drove to the island, less than an hour away, dressed as a policeman. he told the teenagers he needed to protect after the oslo