Keonna Thomas

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Flags are posted on the home of a woman who is accused of trying to join and martyr herself for the Islamic State group in Syria, Friday, April 3, 2015, in Philadelphia. Thirty-year-old Keonna Thomas appeared in federal court Friday afternoon just hours after her arrest on a charge of attempting to provide material support and resources to a foreign terrorist organization. A prosecutor says a search warrant executed March 27 at Thomas' home prevented her from leaving the U.S. on a flight scheduled for March 29.(AP Photo/Matt Rourke)