By the time Kate Middleton begins her journey to Westminster Abbey on the morning of April 29, snipers from London’s Metropolitan Police will have taken their positions on rooftops throughout the city. If a bomb explodes along the parade route, police will siphon crowds into areas that have been blocked to traffic, and ambulances will follow predetermined routes to get victims to various hospitals. Should terrorists launch a Mumbai-style gun attack on the streets, armed commandos, waiting in undisclosed locations, will storm the area within minutes to take out the assailants. “We’re at the second highest level of threat that we’ve ever been in this country, which means an attack is imminent,” says Dai Davies, former head of Scotland Yard’s Royal Protection Squad and former chief superintendent of the Met
