Algorithm tool works to silence online chatroom sex predators

An algorithm tool developed by Purdue Polytechnic Institute faculty will help law enforcement filter out and focus on sex offenders most likely to set up face-to-face meetings with child victims. The Chat Analysis Triage Tool was presented last week by principal investigator Kathryn Seigfried-Spellar, assistant professor of computer and information technology, at the International Association of Law Enforcement Intelligence Analysts Conference in Anaheim, California.