Harvard student charged in bomb hoax out on $100,000 bail Eldo Kim, 20, allegedly e-mailed the threats before his exam was to begin Judge ordered him to stay away from campus except one trip to retrieve belongings He appeared in court wearing T-shirt and sweatpants Boston (CNN) -- A Harvard University student charged with making bomb threats that led school officials to delay some final exams, including his, was released Wednesday with bail set at $100,000. Monday to offices associated with Harvard, including the Harvard University Police Department and the Harvard Crimson, the student-run daily newspaper. He made his first appearance in U.S. District Court in South Boston on Wednesday and was told he could only return to the Harvard campus with an escort once to retrieve his belongings. Kim was led into court in handcuffs and wearing a pair of dark sweatpants with "Harvard" written in large letters down the left leg and a gray T-shirt. He was very quiet during proceedings. After each question from the judge, he answered "Yes, your honor." Kim, who has a public defender, was released to his sister, who lives in the Boston area, and uncle. According to the five-page criminal complaint filed against Kim, the subject line in each of the messages sent Monday read "bombs placed around campus" and cited "shrapnel bombs" in four buildings on the school's main campus in Cambridge. "2/4. guess correctly. be quick or they will go off soon," the messages said, according to the complaint. The buildings were evacuated and swept by bomb technicians and hazardous materials officers, and access to Harvard Yard was restricted to students with Harvard IDs, according to the Harvard Gazette, the school's official news website. Shortly before 3 p.m. Monday, long after Kim's exam had been canceled for the day, officials concluded that the threats were a hoax and reopened the buildings. And the person had used a product called TOR, which assigns an anonymous Internet protocol address that can be used to hide the identity of the sender, it added. On Wednesday, Kim waived his right to a probable cause hearing, surrendered his U.S. passport and was ordered to stay in Massachusetts. After his court appearance, he hurried past reporters without commenting.