Toronto Police and Microsoft have unveiled a new computer system designed to track down internet distributors of child pornography.
The $4.5-million Child Exploitation Tracking System uses internet technology to analyze and compare pornographic pictures seized when an arrest is made.
It also compares email lists and network contacts found on seized computers.
Investigators can then use the information to expose links between porn distributors and purchasers.
The computer system was created after Toronto Police Det. Sgt. Paul Gillespie ran into "a lot of frustration, technology-wise" in the battle against child pornography.
Outgunned by high-tech pornographers, Gillespie turned to Microsoft founder Bill Gates for help.
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