Excerpt:
A Maryland honor student pleaded guilty Friday to conspiring to help a Pennsylvania woman known as "Jihad Jane" plot to kill a Swedish cartoonist who had offended some Muslims.
Mohammed Hassan Khalid, 18, is believed to be the youngest person ever charged with terrorism in a U.S. civilian court. He faces a sentence as high as 15 years in prison.
Khalid, who moved with his family from Pakistan to suburban Baltimore in 2008, was a high school student who had been accepted on a full scholarship at prestigious Johns Hopkins University.