in iowa. first, the fbi is putting out an unprecedented warning alerting law enforcement nationwide to a disturbing terror trend. a growing number of women in the united states trying to join isis. our justice correspondent is working the story. this new warning says american women are increasingly becoming a key part of isis' fighting force overseas and the homeland. >> jalen del shawn young. >> jalen young, daughter of a police officer and a mississippi state university chemistry student, who graduated high school with honors. young is the latest accused female isis recruit here in the u.s. she was arrested two weeks ago for allegedly trying to join the terrorist group in syria. she represents a growing phenomenon according to the fbi. in a new warning to law enforcement nationwide, the fbi