An undated image of terror suspect Colleen R. LaRose, an...

An undated image of terror suspect Colleen R. LaRose, an American woman known as "Jihad Jane," was indicted by U.S. authorities March 9, 2010 for planning deadly attacks in Europe and South Asia and recruiting "violent jihadist fighters" to carry them out, authorities said. Credit: AFP/Getty Images

A Pennsylvania woman who called herself "Jihad Jane" online has pleaded guilty in Philadelphia to her role in a global terror plot.

U.S. prosecutors say Colleen LaRose, 47, had agreed to kill a Swedish cartoonist who had offended Muslims. They say the suburban Philadelphia woman helped foreign terror suspects intent on starting a holy war in Europe and South Asia.

LaRose has been in custody since October 2009 and faced a possible life sentence under charges in the March 2010 indictment.

She and co-defendant Jamie Paulin-Ramirez of Leadville, Colo., are the rare U.S. women charged with terrorism. Paulin-Ramirez has pleaded not guilty since she was arrested in Ireland with other terror suspects in March.

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