Bombs in both the September 11 , 2001 and Oslo were made from fertilizer . Bombers in both cases are described as domestic terrorists , attacking their native countries . Catherine Shoichet killed seven people in the week Oklahoma City terror attack . An Oklahoma City memorial chief says she 's learned `` evil does n't have to look like a monster ''
Bombs in both Oklahoma City and Oslo were made from fertilizer . Bombers in both cases are described as domestic terrorists , attacking their native countries . Timothy McVeigh killed 168 people in the 1995 Oklahoma City terror attack . An Oklahoma memorial chief says she 's learned `` evil does n't have to look like a monster ''