IMPERIAL SAND DUNES, CA - SEPTEMBER 28: The U.S.-Mexico border fence snakes over sand dunes on September 28, 2016 in the Imperial Sand Dunes recreation center, California. Without daily removal of sand, which drifts against the fence, the dunes would cover the fence and undocumented immigrants and smugglers could simply walk over it. The border stretches almost 2,000 miles between Mexico and the United States. Border security and immigration issues have become major issues in the U.S. Presidential campaign. (Photo by John Moore/Getty Images)
Immigration violations: The one thing to know
Have undocumented immigrants committed a crime just by being here? Not necessarily. CNN's Laura Jarrett explains.
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IMPERIAL SAND DUNES, CA - SEPTEMBER 28: The U.S.-Mexico border fence snakes over sand dunes on September 28, 2016 in the Imperial Sand Dunes recreation center, California. Without daily removal of sand, which drifts against the fence, the dunes would cover the fence and undocumented immigrants and smugglers could simply walk over it. The border stretches almost 2,000 miles between Mexico and the United States. Border security and immigration issues have become major issues in the U.S. Presidential campaign. (Photo by John Moore/Getty Images)
Immigration violations: The one thing to know
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President Donald Trump addresses the 73rd session of the United Nations General Assembly, at U.N. headquarters, Tuesday, Sept. 25, 2018. (AP Photo/Richard Drew)
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Central American immigrants depart ICE custody, pending future immigration court hearings on June 11, 2018 in McAllen, Texas. Thousands of undocumented immigrants continue to cross into the U.S., despite the Trump administration's recent "zero tolerance" approach to immigration policy. (Photo by John Moore/Getty Images)
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CHICAGO, IL - JUNE 29: Demonstrators hold a rally in the Little village neighborhood calling for the elimination of the U.S. Immigration and Customs Enforcement (ICE) and an end to family detentions on June 29, 2018 in Chicago, Illinois. Protests have erupted around the country recently as people voice outrage over the separation and detention of undocumented children and their parents. (Photo by Scott Olson/Getty Images)
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