Facial Recognition used by soccer team of DenmarkTo Stop Unruly Fans

On a cold, sunny October day on the outskirts of Copenhagen, Denmark, a gaggle of men wearing black gathers outside Brondby structure to shoot off one or two of rockets, raise their fists and shout concerning however the house team can presently beat — and beat up — the visiting archnemesis, FC Copenhagen.

Police are move into force, riot helmets at the prepared. Brondby-Copenhagen matches have a history of resulting in m....