SANTA CLARA — When the Seattle Seahawks and the New England Patriots kick off Super Bowl LX on Sunday, tens of thousands of spectators at Levi’s Stadium, and hundreds of millions more around the world, will be watching intently. So will a network of hundreds of visible, and less-visible, law enforcement officers and security personnel fanning the 1.85-million-square-foot venue and its surroundings to watch for potential threats. They will be backed by a phalanx of surveillance cameras, drones and multiple real-time technological hubs monitoring every entrance, doorway and egress point. Santa Clara police, who have been drawing up security for 49ers games and other major events since the...
