Japanese police are initiating collaboration with businesses to enhance security measures and prevent potential terrorist attacks carried out by individuals acting alone. The effort focuses on gathering intelligence regarding suspicious activities indicative of homemade weapon production. Specifically, police are requesting businesses report unusual smells or noises that might suggest the creation of firearms or explosives. This proactive approach aims to identify individuals exhibiting pre-attack behaviors before incidents occur. The initiative acknowledges the growing threat posed by lone actors and the difficulty in detecting their plans. By leveraging the observational capacity of businesses and their employees, authorities hope to broaden their information network. This partnership seeks to supplement existing surveillance and intelligence gathering methods, bolstering national security.