In general, they tend to focus on a menagerie of what I would call secondary factors, while missing the foundational importance of the Magic Formula.

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Secondary factors such as misinterpreting the attack as a heart attack or impending madness, and avoiding situations that might trigger panic attacks interfered with the person's life more than the actual panic attack itself.

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Other factors that contribute to attrition in secondary school, particularly among girls, are school fees, child marriages, a shortage of teachers, inadequate toilet facilities -- a basic need, as girls reach menstrual age -- and the lack of support from parents and the community, Cawasji said.

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Admission to some programs is based on a point system, reflecting grades from secondary school, subjects from secondary school, age, work experience, and other factors the government deems worthy of reward.

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It's unclear whether a record of the gun incident or other risk factors -- Chukwu's travel patterns and personal profile -- triggered his secondary screening in Detroit.

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