A naturalized U.S. citizen who reportedly blew himself up in a suicide bomb attempt in Somalia last month might have recruited others to join a terror network, U.S. law enforcement officials tell ABC News. The officials believe Shirwa Ahmed, a naturalized U.S. citizen from Somalia, blew himself up in a suicide bombing in northern Somalia Oct. 28. More than a dozen young men of Somali descent....from the Minneapolis area have recently disappeared, U.S. law enforcement officials tell ABC News. All are thought to be associates of Ahmed. U.S. officials suspect that most of the young men have departed for Somalia...