Threat ranges from careless spectators seeking social media footage to surveillance or attempting to disrupt matches; counter-drone companies working with law enforcement and public safety agencies to build detection networks around tournament

Officials hastily moving to secure global tournament after government shutdown and supply chain issues slowed anti-drone preparations

Fans who hear the whirring sound of a drone over a stadium might see it as a nuisance but law enforcement has long viewed those aircraft as a potential weapon of mass destruction