Over the past two decades, Chris Hansen's investigations have led to hundreds of would-be sex criminals being stopped in their tracks. Amazingly, after 500 arrests and hundreds of millions of video views, men continue to try to meet children online. So, his mission continues.

A look at the police from behind their badges

Real Sheriffs. Real Stories. Witness the reality of policing firsthand, living and breathing alongside the real-life heroes safeguarding our streets.

Chris Hansen closely examines the crimes affecting our nation.