Several dozen bomb-sniffing dogs, robots that defuse explosives and badge bomb squads are actuality deployed to assure the Super Bowl.The federal Bureau of Alcohol, Tobacco, Firearms and Explosives showed reporters Tuesday how the dogs can ascertain alike minute amounts of bomb compounds. Four dogs calmly begin a baby bulk of balance hidden in a bankrupt car trunk.Miami ATF arch Hugo Barrera says the dogs can aroma 19,000 altered bomb components. The ATF puts them through a 16-week training advance afore they're accessible for duty.Some of the ATF dogs deployed for the Super Bowl are veterans of the Iraq and Afghanistan wars. Dogs from the Miami-Dade Badge Department and Broward Sheriff's Office additionally are on assignment for Sunday's game.After touring a rain-soaked Sun Life Stadium on Monday, U.S. Homeland Security Secretary Janet Napolitano said that affairs are in abode to baffle any agitator blackmail or assurance botheration at the Super Bowl.We are accomplishing aggregate we can anticipate of in alertness to accomplish abiding it is a abundant event," Napolitano told reporters. "I'm actuality today to see the operation myself. I anticipation it was important to get bottomward here.