# Threat to Life **Entity class:** Information-sharing and threat-assessment concept A **Threat to Life (TTL)** report communicates information about a person who may pose danger to self or others, or may threaten a facility, infrastructure, or protected site. The FBI-linked initiative standardizes reporting and routing while preserving the need for identification, corroboration, and local action under proper authority. ## Relationships [[wiki/Dangerous Individual|Dangerous Individual]] · [[wiki/Threat Assessment|Threat Assessment]] · [[wiki/National Network of Fusion Centers|National Network of Fusion Centers]] ## Sources - [OJP — Tips and Leads and Threats to Life SOP, September 2023](https://www.ojp.gov/library/publications/tips-and-leads-and-threats-life-standard-operating-procedures) **As of:** 2026-09-23