Ensure immediate safety and call emergency services if there is an active threat
Secure the scene and preserve all evidence
Notify law enforcement and provide a clear timeline of events
Collect witness statements as soon as possible
Review surveillance footage, phone records, and digital activity
Identify motives, opportunities, and patterns
Cross-check alibis and inconsistencies
Use forensic evidence such as fingerprints, DNA, and trace materials
Track financial, travel, and communication records
Coordinate with investigators and follow legal procedures
Avoid contaminating evidence or alerting the suspect prematurely
Work with trained professionals and authorities
Detain or confront only when legally authorized and safely supported
Document every finding carefully
Build a case based on verified facts and admissible evidence