spectacle (1) recherche (1) information (1) coût (1) Identification (1) Accounts (1) Protection (1) Social norms (1) Shooting (1) Science (1) Research (1) Possibility (1) Persons (1) Nature (1) Mass (1) Manufacturers' agents (1) Human beings (1) Maintenance (1) Identification (1) Hostages (1) Generosity (1) Determinants (1) Cost (1) Commission merchants (1) Cognition (1) Mass shootings (1) Hostages (1) Identification (1) Research (1) Use (1)