In a post-9/11 world, the program encourages people to alert police of anything that seems out of place. It is supposed to be based on a set of specific behaviors, such as storing unusual quantities of chemicals or taking photos of people performing security functions at government buildings. The federal government established a nationwide collaborative more than a decade ago for law enforcement at all levels of government to share information to prevent terrorism.

Source: Los Angeles Times June 12, 2019 03:11 UTC