cnn he was meeting his teenage children, daniel and amelie. they went down to the buffet before me and got the food for me and filled up my plate and then i wanted a little bit more to drink and i was going to get it and my daughter said, no, i ll get it, and then the bomb went off. reporter: the explosions upending chairs, blowing out the windows. matthew linsey s children, killed. outside st. sebastian s, cameras capture another suspected bomber approaching the church. he weaves through the crowds and along the pews, before detonating his explosive. it was here that most people died in a single attack. more than 100 people, in fact. just around the corner today, a funeral for a mother and her children. the family invites us in. these are the bodies of the dead. there are two children lying right in front of me here. the youngest, just 7 years old. 45 children killed on sunday. the death toll at 321.