It didn't trouble Burhan Hassan's mother that her son had been spending more time at the Abubakar As-Saddique Islamic Center, Minneapolis's largest mosque. A 17-year-old senior at Roosevelt High, Hassan and his family had fled civil war in Somalia when he was a toddler. Some of the other Somali immigrants in the Cedar-Riverside housing project where he lived got drawn into gangs with names like Murda Squad and Somali Mafia. But Hassan was getting good grades and talking about going to college, says his uncle Abdirizak Bihi. When the boy didn't come home from school on Nov. 4, his family assumed he was at the mosque. By evening, his mother had searched his room and found his laptop was gone and clothes were missing. Later, she discovered his passport had been taken from a drawer she kept locked. "That's when we realized something serious had happened," says Bihi.

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