# If You See Something, Say Something **Entity class:** National public-awareness campaign ## Definition **“If You See Something, Say Something”** is a Department of Homeland Security public-awareness campaign launched nationally in July 2010 to encourage reporting of suspicious activity to appropriate local authorities. DHS instructs the public to focus on behavior and situations rather than appearance. Participation does not create employment, source status, or agency authority. The campaign is a reporting interface connected to the broader [[wiki/Nationwide Suspicious Activity Reporting Initiative|Nationwide Suspicious Activity Reporting Initiative]]. ## Relationships - **department:** [[wiki/United States Department of Homeland Security|DHS]]. - **reporting architecture:** [[wiki/Suspicious Activity Reporting|Suspicious Activity Reporting]] and [[wiki/Nationwide Suspicious Activity Reporting Initiative|NSI]]. - **distinct from:** the prohibited [[wiki/Operation TIPS|Operation TIPS]] proposal. - **human-sensor layer:** [[wiki/Distributed Human-Sensor and Reporting Ecology|Distributed Human-Sensor and Reporting Ecology]]. ## Sources / Provenance - [DHS — Campaign information packet, May 2023](https://www.dhs.gov/sites/default/files/2023-05/S4_Campaign%20Information%20Packet_5.5.2023_508.pdf) - [DHS — What Is Suspicious Activity?, accessed September 23, 2026](https://www.dhs.gov/see-something-say-something/what-suspicious-activity)