Courtesy of the University of Illinois Police Department via AP

This Oct. 11, 2018, file photo shows guests mingling after a ceremony to dedicate the memorial garden for Yingying Zhang, Chinese scholar who disappeared from campus in June 2017. A judge at the trial of a former University of Illinois student charged with killing a visiting Chinese scholar says lawyers should be ready to deliver opening statements by the middle of next week. Thursday, June 6, 2019, is the fourth day of jury selection at Brendt Christensen's trial in Peoria.

AP Photo/Lynne Sladky

In this May 20, 2019, file photo, Democratic presidential candidate Pete Buttigieg, the mayor of South Bend, Ind., left, is introduced by his husband Chasten Buttigieg, right, during a fundraiser at the Wynwood Walls, in Miami. Buttigieg knows firsthand the burden of six-figure student loan debt. He and his husband have loans of more than $130,000, placing them in the ranks of the 43 million Americans who owe federal student debt.

AP Photo/Alastair Grant

In this Friday, June 9, 2017 file photo Britain's Prime Minister Theresa May listens as the declaration at her constituency is made for in the general election in Maidenhead, England. A general election called by May to bolster her party's numbers in Parliament to help with the Brexit negotiations backfires as her Conservative Party loses its majority and continues in a weakened state as a minority government.

AP Photo/Francois Mori

French President Emmanuel Macron, right, talks to French war veteran Leon Gautier, a member of the Kieffer commando, during a ceremony to pay homage to the Kieffer commando, Thursday, June 6, 2019 in Colleville-Montgomery, Normandy. The Kieffer commando, an elite French unit, was among the first waves of Allied troops to storm the heavily defended beaches of Nazi-occupied northern France, beginning the liberation of western Europe.