TUCSON, Ariz. (AP) — Members of a newly selected jury have been instructed to return to court for opening statements in the trial of a U.S. Border Patrol agent charged with shooting into Mexico in 2012 and killing a 16-year-old.

U.S. District Judge Raner Collins told the panel Tuesday afternoon that opening statements are set for Wednesday morning.

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The trial in U.S. District Court in Tucson comes amid President Donald Trump’s crackdown on illegal immigration and campaign to build a wall along the 2,000-mile U.S.-Mexico border.

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Lonnie Swartz has pleaded not guilty to second-degree murder in the killing of Jose Antonio Elena Rodriguez. The teenager was shot on a street in Nogales, Mexico, across the border from Nogales, Arizona.

An autopsy showed the unarmed teen was shot 10 times, mostly from behind.

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