William Wan Brian Murphy The Washington Post

At a high school in Florida, students watched the horrors of Sept. 11, 2001, unfold on live TV. When the second hijacked airliner slammed into World Trade Center's south tower, the class watched in stunned disbelief. One student, however, "started jumping up-and-down cheering on the terrorist."

At a high school in Florida, students watched the horrors of Sept. 11, 2001, unfold on live TV. When the second hijacked airliner slammed into World Trade Center's south tower, the class watched in stunned disbelief. One student, however, "started jumping up-and-down cheering on the terrorist."