www.securitymagazine.com/articles/78147-world-cup-security-tightened-after-fan-enters-player-changing-room
World Cup
July 1, 2006

The 2006 World Cup, held through this month, boasted thousands of police officers on the ground but there was plenty of security behind the scenes. There was a significant increase in video surveillance but even better cooperation among mostly European countries in sharing identification of past troublemakers. Many were unable to even enter Germany.