Trump: Cruz changed tune on immigration because he's losing
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Republican presidential candidate Donald TrumpDonald John TrumpClinton takes swipe at 'false equivalency' in media coverage of 2016 election Trump asked Netanyahu if he actually cares about peace: report Official: Trump to urge North Korea to dismantle nuclear program in return for sanctions relief MORE on Tuesday slammed rival Ted CruzRafael (Ted) Edward CruzCruz's Dem challenger slams Time piece praising Trump Race for Republican Speaker rare chance to unify party for election 32 male senators back Senate women's calls to change harassment rules MORE for changing his tune on deporting the millions of immigrants in the country illegally. 

"Ted Cruz only talks tough on immigration now because he did so badly in S.C. He is in favor of amnesty and weak on illegal immigration," Trump tweeted.
 

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Trump has focused his campaign on illegal immigration, touting his proposals to build a wall on the U.S.-Mexico border and deport the 12 million immigrants in the U.S. illegally.
 
Cruz, who has faced criticism for not providing details on what he would do with those 12 million people, offered tough rhetoric during an interview Monday night on Fox News.
 
"Listen, we should enforce the law. How do we enforce the law? Yes, we should deport them," Cruz told host Bill O'Reilly, adding, "We should build a wall, we should triple the border patrol."
 
When presented a hypothetical example of whether as president he would go to an Irish immigrant's house, take him out and put him on a plane home, Cruz said, "You better believe it."

A Cruz spokesperson insisted that the candidate hadn't changed his position, though Cruz last month dismissed going "door-to-door," as advocated by Trump, to remove illegal immigrants.