 Kojikari's departure could complicate a case should more evidence come to light since, for now, Kojikari is a suspect and name only. So at this point, there are a lot of ifs. And if Diana Kojikari is in Romania, that country does have an extradition treaty with the U.S. If she is in her native Moldova, that country does not. Derek Dellinger with Fox 46. And lifestyle changes could prevent cancer cases in adults, according to new studies. Four in ten cancer cases.