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[Homeland Security Secretary John Kelly:] The cost, then-- and this is important in terms of the reduction and the numbers that are crossing the border-- the cost of going from say, El Salvador, to the United States, the fare if you will, to travel on the network and get to the United States, flew from an astronomical figure to the kind of people, simple people, that we're talking about, peasants mostly from the Central American Republics-- good people. $4,000, life savings, an incredible amount of money to them. Now it's $12,000 or $15,000, so they can't afford it. So that's one of the factors in-- that simple thing, starting to arrest and prosecute them.